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Finding the Fourth Proportional to 396,354.50, 594,593.67 and 130,054.43

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Solution

The fourth proportional to 396,354.50, 594,593.67 and 130,054.43 is: 195,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,354.50 : 594,593.67 = 130,054.43 : x
  2. Step 2: Convert to fraction form
    396,354.50/594,593.67 = 130,054.43/x
  3. Step 3: Cross multiply
    396,354.50x = 594,593.67 × 130,054.43
  4. Step 4: Simplify right side
    396,354.50x = 77,329,540,833.46
  5. Step 5: Solve for x
    x = 77,329,540,833.46/396,354.50
  6. Step 6: Final answer
    x = 195,101.96

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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.