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Finding the Fourth Proportional to 542,650.11, 814,055.36 and 187,568.79

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Solution

The fourth proportional to 542,650.11, 814,055.36 and 187,568.79 is: 281,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,650.11 : 814,055.36 = 187,568.79 : x
  2. Step 2: Convert to fraction form
    542,650.11/814,055.36 = 187,568.79/x
  3. Step 3: Cross multiply
    542,650.11x = 814,055.36 × 187,568.79
  4. Step 4: Simplify right side
    542,650.11x = 152,691,378,868.21
  5. Step 5: Solve for x
    x = 152,691,378,868.21/542,650.11
  6. Step 6: Final answer
    x = 281,380.90

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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.