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Finding the Fourth Proportional to 425,408.68, 587,067.92 and 234,428.91

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Solution

The fourth proportional to 425,408.68, 587,067.92 and 234,428.91 is: 323,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,408.68 : 587,067.92 = 234,428.91 : x
  2. Step 2: Convert to fraction form
    425,408.68/587,067.92 = 234,428.91/x
  3. Step 3: Cross multiply
    425,408.68x = 587,067.92 × 234,428.91
  4. Step 4: Simplify right side
    425,408.68x = 137,625,692,581.57
  5. Step 5: Solve for x
    x = 137,625,692,581.57/425,408.68
  6. Step 6: Final answer
    x = 323,514.07

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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.