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Finding the Fourth Proportional to 609,410.89, 840,976.68 and 337,472.92

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Solution

The fourth proportional to 609,410.89, 840,976.68 and 337,472.92 is: 465,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,410.89 : 840,976.68 = 337,472.92 : x
  2. Step 2: Convert to fraction form
    609,410.89/840,976.68 = 337,472.92/x
  3. Step 3: Cross multiply
    609,410.89x = 840,976.68 × 337,472.92
  4. Step 4: Simplify right side
    609,410.89x = 283,806,855,851.51
  5. Step 5: Solve for x
    x = 283,806,855,851.51/609,410.89
  6. Step 6: Final answer
    x = 465,706.90

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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.