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Finding the Fourth Proportional to 625,744.32, 938,059.82 and 226,296.29

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Solution

The fourth proportional to 625,744.32, 938,059.82 and 226,296.29 is: 339,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,744.32 : 938,059.82 = 226,296.29 : x
  2. Step 2: Convert to fraction form
    625,744.32/938,059.82 = 226,296.29/x
  3. Step 3: Cross multiply
    625,744.32x = 938,059.82 × 226,296.29
  4. Step 4: Simplify right side
    625,744.32x = 212,279,457,064.07
  5. Step 5: Solve for x
    x = 212,279,457,064.07/625,744.32
  6. Step 6: Final answer
    x = 339,243.12

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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.