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Finding the Fourth Proportional to 624,154.89, 861,339.96 and 337,681.11

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Solution

The fourth proportional to 624,154.89, 861,339.96 and 337,681.11 is: 466,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,154.89 : 861,339.96 = 337,681.11 : x
  2. Step 2: Convert to fraction form
    624,154.89/861,339.96 = 337,681.11/x
  3. Step 3: Cross multiply
    624,154.89x = 861,339.96 × 337,681.11
  4. Step 4: Simplify right side
    624,154.89x = 290,858,233,780.16
  5. Step 5: Solve for x
    x = 290,858,233,780.16/624,154.89
  6. Step 6: Final answer
    x = 466,003.29

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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.