In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

Example Input: [57.515, -9.465]
Example Output: [ 1.197 -0.197]

Example Input: [228.711, 65.409, 196.92, -77.355, 201.953, 116.793, -69.059, 234.881]
Example Output: [ 0.255  0.073  0.219 -0.086  0.225  0.13  -0.077  0.261]

Example Input: [217.072, -11.2, 86.033]
Example Output:
[ 0.744 -0.038  0.295]