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: [-98.627, 196.582]
Example Output: [-1.007  2.007]

Example Input: [141.801, -34.863, 156.984, 129.543, 63.836, 126.413, 105.502]
Example Output: [ 0.206 -0.051  0.228  0.188  0.093  0.183  0.153]

Example Input: [69.487, -66.915, -35.776, -16.223]
Example Output:
[-1.406  1.354  0.724  0.328]