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Finding the Fourth Proportional to 322,615.92, 482,977.56 and 226,218.90

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Solution

The fourth proportional to 322,615.92, 482,977.56 and 226,218.90 is: 338,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,615.92 : 482,977.56 = 226,218.90 : x
  2. Step 2: Convert to fraction form
    322,615.92/482,977.56 = 226,218.90/x
  3. Step 3: Cross multiply
    322,615.92x = 482,977.56 × 226,218.90
  4. Step 4: Simplify right side
    322,615.92x = 109,258,652,347.88
  5. Step 5: Solve for x
    x = 109,258,652,347.88/322,615.92
  6. Step 6: Final answer
    x = 338,664.79

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1.5x scale

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.