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Finding the Fourth Proportional to 574,042.52, 861,132.90 and 189,804.44

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Solution

The fourth proportional to 574,042.52, 861,132.90 and 189,804.44 is: 284,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,042.52 : 861,132.90 = 189,804.44 : x
  2. Step 2: Convert to fraction form
    574,042.52/861,132.90 = 189,804.44/x
  3. Step 3: Cross multiply
    574,042.52x = 861,132.90 × 189,804.44
  4. Step 4: Simplify right side
    574,042.52x = 163,446,847,850.08
  5. Step 5: Solve for x
    x = 163,446,847,850.08/574,042.52
  6. Step 6: Final answer
    x = 284,729.51

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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.