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Finding the Fourth Proportional to 652,240.52, 978,351.68 and 226,086.56

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Solution

The fourth proportional to 652,240.52, 978,351.68 and 226,086.56 is: 339,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,240.52 : 978,351.68 = 226,086.56 : x
  2. Step 2: Convert to fraction form
    652,240.52/978,351.68 = 226,086.56/x
  3. Step 3: Cross multiply
    652,240.52x = 978,351.68 × 226,086.56
  4. Step 4: Simplify right side
    652,240.52x = 221,192,165,801.42
  5. Step 5: Solve for x
    x = 221,192,165,801.42/652,240.52
  6. Step 6: Final answer
    x = 339,126.69

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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.