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Finding the Fourth Proportional to 542,060.27, 813,219.59 and 187,077.38

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Solution

The fourth proportional to 542,060.27, 813,219.59 and 187,077.38 is: 280,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,060.27 : 813,219.59 = 187,077.38 : x
  2. Step 2: Convert to fraction form
    542,060.27/813,219.59 = 187,077.38/x
  3. Step 3: Cross multiply
    542,060.27x = 813,219.59 × 187,077.38
  4. Step 4: Simplify right side
    542,060.27x = 152,134,986,663.47
  5. Step 5: Solve for x
    x = 152,134,986,663.47/542,060.27
  6. Step 6: Final answer
    x = 280,660.65

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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.