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Finding the Fourth Proportional to 425,809.52, 587,605.56 and 234,819.44

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Solution

The fourth proportional to 425,809.52, 587,605.56 and 234,819.44 is: 324,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,809.52 : 587,605.56 = 234,819.44 : x
  2. Step 2: Convert to fraction form
    425,809.52/587,605.56 = 234,819.44/x
  3. Step 3: Cross multiply
    425,809.52x = 587,605.56 × 234,819.44
  4. Step 4: Simplify right side
    425,809.52x = 137,981,208,540.09
  5. Step 5: Solve for x
    x = 137,981,208,540.09/425,809.52
  6. Step 6: Final answer
    x = 324,044.44

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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.