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Finding the Fourth Proportional to 624,437.97, 861,722.88 and 337,958.25

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Solution

The fourth proportional to 624,437.97, 861,722.88 and 337,958.25 is: 466,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,437.97 : 861,722.88 = 337,958.25 : x
  2. Step 2: Convert to fraction form
    624,437.97/861,722.88 = 337,958.25/x
  3. Step 3: Cross multiply
    624,437.97x = 861,722.88 × 337,958.25
  4. Step 4: Simplify right side
    624,437.97x = 291,226,356,509.76
  5. Step 5: Solve for x
    x = 291,226,356,509.76/624,437.97
  6. Step 6: Final answer
    x = 466,381.56

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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.