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Finding the Fourth Proportional to 396,046.80, 593,832.95 and 126,058.32

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Solution

The fourth proportional to 396,046.80, 593,832.95 and 126,058.32 is: 189,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,046.80 : 593,832.95 = 126,058.32 : x
  2. Step 2: Convert to fraction form
    396,046.80/593,832.95 = 126,058.32/x
  3. Step 3: Cross multiply
    396,046.80x = 593,832.95 × 126,058.32
  4. Step 4: Simplify right side
    396,046.80x = 74,857,584,352.79
  5. Step 5: Solve for x
    x = 74,857,584,352.79/396,046.80
  6. Step 6: Final answer
    x = 189,011.97

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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.