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: [121.665, 129.058, -26.583, 156.198]
Example Output: [ 0.32   0.339 -0.07   0.411]

Example Input: [246.416, 141.896, 147.875, 175.016, 52.56, 153.664]
Example Output: [0.269 0.155 0.161 0.191 0.057 0.167]

Example Input: [-37.516, -35.948, 135.132, 37.02, 177.573, 24.912]
Example Output:
[-0.125 -0.119  0.449  0.123  0.59   0.083]