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Finding the Fourth Proportional to 624,340.94, 861,590.50 and 337,861.03

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Solution

The fourth proportional to 624,340.94, 861,590.50 and 337,861.03 is: 466,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,340.94 : 861,590.50 = 337,861.03 : x
  2. Step 2: Convert to fraction form
    624,340.94/861,590.50 = 337,861.03/x
  3. Step 3: Cross multiply
    624,340.94x = 861,590.50 × 337,861.03
  4. Step 4: Simplify right side
    624,340.94x = 291,097,853,768.22
  5. Step 5: Solve for x
    x = 291,097,853,768.22/624,340.94
  6. Step 6: Final answer
    x = 466,248.22

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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.