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Finding the Fourth Proportional to 322,143.96, 444,660.65 and 226,929.27

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Solution

The fourth proportional to 322,143.96, 444,660.65 and 226,929.27 is: 313,234.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,143.96 : 444,660.65 = 226,929.27 : x
  2. Step 2: Convert to fraction form
    322,143.96/444,660.65 = 226,929.27/x
  3. Step 3: Cross multiply
    322,143.96x = 444,660.65 × 226,929.27
  4. Step 4: Simplify right side
    322,143.96x = 100,906,516,702.23
  5. Step 5: Solve for x
    x = 100,906,516,702.23/322,143.96
  6. Step 6: Final answer
    x = 313,234.23

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1.5x scale

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.