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Finding the Fourth Proportional to 542,697.38, 814,170.10 and 187,711.10

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Solution

The fourth proportional to 542,697.38, 814,170.10 and 187,711.10 is: 281,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,697.38 : 814,170.10 = 187,711.10 : x
  2. Step 2: Convert to fraction form
    542,697.38/814,170.10 = 187,711.10/x
  3. Step 3: Cross multiply
    542,697.38x = 814,170.10 × 187,711.10
  4. Step 4: Simplify right side
    542,697.38x = 152,828,765,058.11
  5. Step 5: Solve for x
    x = 152,828,765,058.11/542,697.38
  6. Step 6: Final answer
    x = 281,609.55

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Similar ratio
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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.