We divide 478454 by 90
Let's see how many times 90 fits into 478454.

Let's proceed to step 1:
When dividing 4 by 90, we get 0 with a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Bring next digit (7) of the dividend behind the 4 and repeat the process: 47 / 90

On to step 2:
If we divide 47 by 90, we get 0 and a remainder of 47.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 47, we end up with 47.
Bring next digit (8) of the dividend behind the 47 and repeat the process: 478 / 90

Let's proceed to step 3:
When dividing 478 by 90, we get 5 with a remainder of 28.
Use 5 as the next digit of our solution. 
Result so far: 5.0
If we subtract 450 from 478, we get 28.
Fetch the next digit (4) from the dividend, attach it to 28 and continue: 284 / 90

Step 4:
90 can be fit into 284 3 times, resulting in a remainder of 14.
Use 3 as the next digit of our solution. 
Result so far: 53.0
The remainder is 14 after subtracting 270 from 284.
Fetch the next digit (5) from the dividend, attach it to 14 and continue: 145 / 90

On to step 5:
90 goes into 145 1 times with a remainder of 55.
Record the quotient 1 as the next digit in the result. 
Result so far: 531.0
If we subtract 90 from 145, we get 55.
Bring next digit (4) of the dividend behind the 55 and repeat the process: 554 / 90

Going ahead to step 6:
90 goes into 554 6 times with a remainder of 14.
Record the quotient 6 as the next digit in the result. 
Result so far: 5316.0
The remainder is 14 after subtracting 540 from 554.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Let's proceed to step 7:
90 goes into 140 1 times with a remainder of 50.
Put 1 as the next digit of the answer. 
Result so far: 5316.1
Deduct 90 from 140 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 8:
When dividing 500 by 90, we get 5 with a remainder of 50.
Write down 5 as next digit of the result. 
Result so far: 5316.15
If we take 450 away from 500, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Let's proceed to step 9:
90 can be fit into 500 5 times, resulting in a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 5316.155
If we take 450 away from 500, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

The final result is 5316.155 with a remainder of 0.005.