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Finding the Fourth Proportional to 609,349.10, 840,891.48 and 337,411.15

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Solution

The fourth proportional to 609,349.10, 840,891.48 and 337,411.15 is: 465,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,349.10 : 840,891.48 = 337,411.15 : x
  2. Step 2: Convert to fraction form
    609,349.10/840,891.48 = 337,411.15/x
  3. Step 3: Cross multiply
    609,349.10x = 840,891.48 × 337,411.15
  4. Step 4: Simplify right side
    609,349.10x = 283,726,161,292.00
  5. Step 5: Solve for x
    x = 283,726,161,292.00/609,349.10
  6. Step 6: Final answer
    x = 465,621.70

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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.