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Finding the Fourth Proportional to 396,358.92, 594,600.21 and 130,058.82

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Solution

The fourth proportional to 396,358.92, 594,600.21 and 130,058.82 is: 195,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,358.92 : 594,600.21 = 130,058.82 : x
  2. Step 2: Convert to fraction form
    396,358.92/594,600.21 = 130,058.82/x
  3. Step 3: Cross multiply
    396,358.92x = 594,600.21 × 130,058.82
  4. Step 4: Simplify right side
    396,358.92x = 77,333,001,684.35
  5. Step 5: Solve for x
    x = 77,333,001,684.35/396,358.92
  6. Step 6: Final answer
    x = 195,108.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.