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Finding the Fourth Proportional to 396,589.69, 594,822.97 and 130,348.43

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Solution

The fourth proportional to 396,589.69, 594,822.97 and 130,348.43 is: 195,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,589.69 : 594,822.97 = 130,348.43 : x
  2. Step 2: Convert to fraction form
    396,589.69/594,822.97 = 130,348.43/x
  3. Step 3: Cross multiply
    396,589.69x = 594,822.97 × 130,348.43
  4. Step 4: Simplify right side
    396,589.69x = 77,534,240,267.44
  5. Step 5: Solve for x
    x = 77,534,240,267.44/396,589.69
  6. Step 6: Final answer
    x = 195,502.41

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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.