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Finding the Fourth Proportional to 254,524.52, 381,489.71 and 187,342.62

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Solution

The fourth proportional to 254,524.52, 381,489.71 and 187,342.62 is: 280,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,524.52 : 381,489.71 = 187,342.62 : x
  2. Step 2: Convert to fraction form
    254,524.52/381,489.71 = 187,342.62/x
  3. Step 3: Cross multiply
    254,524.52x = 381,489.71 × 187,342.62
  4. Step 4: Simplify right side
    254,524.52x = 71,469,280,837.73
  5. Step 5: Solve for x
    x = 71,469,280,837.73/254,524.52
  6. Step 6: Final answer
    x = 280,795.27

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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.