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Finding the Fourth Proportional to 322,628.92, 482,997.06 and 226,231.92

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Solution

The fourth proportional to 322,628.92, 482,997.06 and 226,231.92 is: 338,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,628.92 : 482,997.06 = 226,231.92 : x
  2. Step 2: Convert to fraction form
    322,628.92/482,997.06 = 226,231.92/x
  3. Step 3: Cross multiply
    322,628.92x = 482,997.06 × 226,231.92
  4. Step 4: Simplify right side
    322,628.92x = 109,269,352,238.16
  5. Step 5: Solve for x
    x = 109,269,352,238.16/322,628.92
  6. Step 6: Final answer
    x = 338,684.31

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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.