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Finding the Fourth Proportional to 512,791.35, 707,192.37 and 427,034.29

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Solution

The fourth proportional to 512,791.35, 707,192.37 and 427,034.29 is: 588,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,791.35 : 707,192.37 = 427,034.29 : x
  2. Step 2: Convert to fraction form
    512,791.35/707,192.37 = 427,034.29/x
  3. Step 3: Cross multiply
    512,791.35x = 707,192.37 × 427,034.29
  4. Step 4: Simplify right side
    512,791.35x = 301,995,391,616.37
  5. Step 5: Solve for x
    x = 301,995,391,616.37/512,791.35
  6. Step 6: Final answer
    x = 588,924.50

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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.