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Finding the Fourth Proportional to 574,250.85, 861,310.62 and 153,559.53

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Solution

The fourth proportional to 574,250.85, 861,310.62 and 153,559.53 is: 230,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,250.85 : 861,310.62 = 153,559.53 : x
  2. Step 2: Convert to fraction form
    574,250.85/861,310.62 = 153,559.53/x
  3. Step 3: Cross multiply
    574,250.85x = 861,310.62 × 153,559.53
  4. Step 4: Simplify right side
    574,250.85x = 132,262,453,991.21
  5. Step 5: Solve for x
    x = 132,262,453,991.21/574,250.85
  6. Step 6: Final answer
    x = 230,321.74

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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.