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Finding the Fourth Proportional to 624,151.63, 861,335.48 and 337,677.88

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Solution

The fourth proportional to 624,151.63, 861,335.48 and 337,677.88 is: 465,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,151.63 : 861,335.48 = 337,677.88 : x
  2. Step 2: Convert to fraction form
    624,151.63/861,335.48 = 337,677.88/x
  3. Step 3: Cross multiply
    624,151.63x = 861,335.48 × 337,677.88
  4. Step 4: Simplify right side
    624,151.63x = 290,853,938,855.18
  5. Step 5: Solve for x
    x = 290,853,938,855.18/624,151.63
  6. Step 6: Final answer
    x = 465,998.85

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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.