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Finding the Fourth Proportional to 227,245.90, 340,373.13 and 187,355.02

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Solution

The fourth proportional to 227,245.90, 340,373.13 and 187,355.02 is: 280,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,245.90 : 340,373.13 = 187,355.02 : x
  2. Step 2: Convert to fraction form
    227,245.90/340,373.13 = 187,355.02/x
  3. Step 3: Cross multiply
    227,245.90x = 340,373.13 × 187,355.02
  4. Step 4: Simplify right side
    227,245.90x = 63,770,614,578.61
  5. Step 5: Solve for x
    x = 63,770,614,578.61/227,245.90
  6. Step 6: Final answer
    x = 280,623.83

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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.