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Finding the Fourth Proportional to 322,627.92, 482,995.56 and 226,230.92

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Solution

The fourth proportional to 322,627.92, 482,995.56 and 226,230.92 is: 338,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,627.92 : 482,995.56 = 226,230.92 : x
  2. Step 2: Convert to fraction form
    322,627.92/482,995.56 = 226,230.92/x
  3. Step 3: Cross multiply
    322,627.92x = 482,995.56 × 226,230.92
  4. Step 4: Simplify right side
    322,627.92x = 109,268,529,894.72
  5. Step 5: Solve for x
    x = 109,268,529,894.72/322,627.92
  6. Step 6: Final answer
    x = 338,682.81

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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.