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Finding the Fourth Proportional to 574,893.96, 861,687 and 349,758.12

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Solution

The fourth proportional to 574,893.96, 861,687 and 349,758.12 is: 524,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,893.96 : 861,687 = 349,758.12 : x
  2. Step 2: Convert to fraction form
    574,893.96/861,687 = 349,758.12/x
  3. Step 3: Cross multiply
    574,893.96x = 861,687 × 349,758.12
  4. Step 4: Simplify right side
    574,893.96x = 301,382,025,148.44
  5. Step 5: Solve for x
    x = 301,382,025,148.44/574,893.96
  6. Step 6: Final answer
    x = 524,239.33

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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.