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Finding the Fourth Proportional to 587,247.87, 881,003.08 and 187,912.61

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Solution

The fourth proportional to 587,247.87, 881,003.08 and 187,912.61 is: 281,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,247.87 : 881,003.08 = 187,912.61 : x
  2. Step 2: Convert to fraction form
    587,247.87/881,003.08 = 187,912.61/x
  3. Step 3: Cross multiply
    587,247.87x = 881,003.08 × 187,912.61
  4. Step 4: Simplify right side
    587,247.87x = 165,551,587,314.48
  5. Step 5: Solve for x
    x = 165,551,587,314.48/587,247.87
  6. Step 6: Final answer
    x = 281,910.92

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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.