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Finding the Fourth Proportional to 444,055.97, 665,983.46 and 203,939.03

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Solution

The fourth proportional to 444,055.97, 665,983.46 and 203,939.03 is: 305,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,055.97 : 665,983.46 = 203,939.03 : x
  2. Step 2: Convert to fraction form
    444,055.97/665,983.46 = 203,939.03/x
  3. Step 3: Cross multiply
    444,055.97x = 665,983.46 × 203,939.03
  4. Step 4: Simplify right side
    444,055.97x = 135,820,016,478.83
  5. Step 5: Solve for x
    x = 135,820,016,478.83/444,055.97
  6. Step 6: Final answer
    x = 305,862.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.