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Finding the Fourth Proportional to 609,006.35, 840,418.56 and 337,068.47

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Solution

The fourth proportional to 609,006.35, 840,418.56 and 337,068.47 is: 465,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,006.35 : 840,418.56 = 337,068.47 : x
  2. Step 2: Convert to fraction form
    609,006.35/840,418.56 = 337,068.47/x
  3. Step 3: Cross multiply
    609,006.35x = 840,418.56 × 337,068.47
  4. Step 4: Simplify right side
    609,006.35x = 283,278,600,279.85
  5. Step 5: Solve for x
    x = 283,278,600,279.85/609,006.35
  6. Step 6: Final answer
    x = 465,148.84

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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.