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Finding the Fourth Proportional to 609,187.52, 840,668.28 and 337,249.64

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Solution

The fourth proportional to 609,187.52, 840,668.28 and 337,249.64 is: 465,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,187.52 : 840,668.28 = 337,249.64 : x
  2. Step 2: Convert to fraction form
    609,187.52/840,668.28 = 337,249.64/x
  3. Step 3: Cross multiply
    609,187.52x = 840,668.28 × 337,249.64
  4. Step 4: Simplify right side
    609,187.52x = 283,515,074,789.42
  5. Step 5: Solve for x
    x = 283,515,074,789.42/609,187.52
  6. Step 6: Final answer
    x = 465,398.69

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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.