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Finding the Fourth Proportional to 542,059.14, 813,217.91 and 187,076.25

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Solution

The fourth proportional to 542,059.14, 813,217.91 and 187,076.25 is: 280,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,059.14 : 813,217.91 = 187,076.25 : x
  2. Step 2: Convert to fraction form
    542,059.14/813,217.91 = 187,076.25/x
  3. Step 3: Cross multiply
    542,059.14x = 813,217.91 × 187,076.25
  4. Step 4: Simplify right side
    542,059.14x = 152,133,757,035.64
  5. Step 5: Solve for x
    x = 152,133,757,035.64/542,059.14
  6. Step 6: Final answer
    x = 280,658.96

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1.5x scale

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.