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Finding the Fourth Proportional to 396,042.99, 594,200.57 and 115,601.55

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Solution

The fourth proportional to 396,042.99, 594,200.57 and 115,601.55 is: 173,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,042.99 : 594,200.57 = 115,601.55 : x
  2. Step 2: Convert to fraction form
    396,042.99/594,200.57 = 115,601.55/x
  3. Step 3: Cross multiply
    396,042.99x = 594,200.57 × 115,601.55
  4. Step 4: Simplify right side
    396,042.99x = 68,690,506,324.88
  5. Step 5: Solve for x
    x = 68,690,506,324.88/396,042.99
  6. Step 6: Final answer
    x = 173,442.05

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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.