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: [69.334, 72.333]
Example Output: [0.489 0.511]

Example Input: [173.704, 136.055, 20.303, 72.445, 20.653, 149.533]
Example Output: [0.303 0.238 0.035 0.126 0.036 0.261]

Example Input: [-77.389, 167.851, 121.306, 71.858, 51.397]
Example Output:
[-0.231  0.501  0.362  0.214  0.153]