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Finding the Fourth Proportional to 374,850.70, 516,755.92 and 267,233.90

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Solution

The fourth proportional to 374,850.70, 516,755.92 and 267,233.90 is: 368,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,850.70 : 516,755.92 = 267,233.90 : x
  2. Step 2: Convert to fraction form
    374,850.70/516,755.92 = 267,233.90/x
  3. Step 3: Cross multiply
    374,850.70x = 516,755.92 × 267,233.90
  4. Step 4: Simplify right side
    374,850.70x = 138,094,698,389.27
  5. Step 5: Solve for x
    x = 138,094,698,389.27/374,850.70
  6. Step 6: Final answer
    x = 368,399.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.