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Finding the Fourth Proportional to 371,988.49, 512,862.29 and 240,932.97

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Solution

The fourth proportional to 371,988.49, 512,862.29 and 240,932.97 is: 332,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,988.49 : 512,862.29 = 240,932.97 : x
  2. Step 2: Convert to fraction form
    371,988.49/512,862.29 = 240,932.97/x
  3. Step 3: Cross multiply
    371,988.49x = 512,862.29 × 240,932.97
  4. Step 4: Simplify right side
    371,988.49x = 123,565,433,526.04
  5. Step 5: Solve for x
    x = 123,565,433,526.04/371,988.49
  6. Step 6: Final answer
    x = 332,175.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.