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Finding the Fourth Proportional to 542,682.28, 814,147.40 and 187,695.93

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Solution

The fourth proportional to 542,682.28, 814,147.40 and 187,695.93 is: 281,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,682.28 : 814,147.40 = 187,695.93 : x
  2. Step 2: Convert to fraction form
    542,682.28/814,147.40 = 187,695.93/x
  3. Step 3: Cross multiply
    542,682.28x = 814,147.40 × 187,695.93
  4. Step 4: Simplify right side
    542,682.28x = 152,812,156,922.38
  5. Step 5: Solve for x
    x = 152,812,156,922.38/542,682.28
  6. Step 6: Final answer
    x = 281,586.78

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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.