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Finding the Fourth Proportional to 662,306.92, 993,469.52 and 188,992.16

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Solution

The fourth proportional to 662,306.92, 993,469.52 and 188,992.16 is: 283,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,306.92 : 993,469.52 = 188,992.16 : x
  2. Step 2: Convert to fraction form
    662,306.92/993,469.52 = 188,992.16/x
  3. Step 3: Cross multiply
    662,306.92x = 993,469.52 × 188,992.16
  4. Step 4: Simplify right side
    662,306.92x = 187,757,950,478.96
  5. Step 5: Solve for x
    x = 187,757,950,478.96/662,306.92
  6. Step 6: Final answer
    x = 283,490.85

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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.