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Finding the Fourth Proportional to 396,658.86, 595,104.93 and 159,879.66

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Solution

The fourth proportional to 396,658.86, 595,104.93 and 159,879.66 is: 239,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,658.86 : 595,104.93 = 159,879.66 : x
  2. Step 2: Convert to fraction form
    396,658.86/595,104.93 = 159,879.66/x
  3. Step 3: Cross multiply
    396,658.86x = 595,104.93 × 159,879.66
  4. Step 4: Simplify right side
    396,658.86x = 95,145,173,872.72
  5. Step 5: Solve for x
    x = 95,145,173,872.72/396,658.86
  6. Step 6: Final answer
    x = 239,866.50

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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.