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Finding the Fourth Proportional to 362,408.60, 541,863.30 and 267,930.20

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Solution

The fourth proportional to 362,408.60, 541,863.30 and 267,930.20 is: 400,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,408.60 : 541,863.30 = 267,930.20 : x
  2. Step 2: Convert to fraction form
    362,408.60/541,863.30 = 267,930.20/x
  3. Step 3: Cross multiply
    362,408.60x = 541,863.30 × 267,930.20
  4. Step 4: Simplify right side
    362,408.60x = 145,181,542,341.66
  5. Step 5: Solve for x
    x = 145,181,542,341.66/362,408.60
  6. Step 6: Final answer
    x = 400,601.81

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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.