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Finding the Fourth Proportional to 574,129.26, 861,378.30 and 174,847.32

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Solution

The fourth proportional to 574,129.26, 861,378.30 and 174,847.32 is: 262,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,129.26 : 861,378.30 = 174,847.32 : x
  2. Step 2: Convert to fraction form
    574,129.26/861,378.30 = 174,847.32/x
  3. Step 3: Cross multiply
    574,129.26x = 861,378.30 × 174,847.32
  4. Step 4: Simplify right side
    574,129.26x = 150,609,687,261.16
  5. Step 5: Solve for x
    x = 150,609,687,261.16/574,129.26
  6. Step 6: Final answer
    x = 262,327.14

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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.