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Finding the Fourth Proportional to 624,376.07, 861,640.51 and 337,898.24

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Solution

The fourth proportional to 624,376.07, 861,640.51 and 337,898.24 is: 466,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,376.07 : 861,640.51 = 337,898.24 : x
  2. Step 2: Convert to fraction form
    624,376.07/861,640.51 = 337,898.24/x
  3. Step 3: Cross multiply
    624,376.07x = 861,640.51 × 337,898.24
  4. Step 4: Simplify right side
    624,376.07x = 291,146,811,841.70
  5. Step 5: Solve for x
    x = 291,146,811,841.70/624,376.07
  6. Step 6: Final answer
    x = 466,300.40

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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.