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Finding the Fourth Proportional to 225,622.80, 338,434.20 and 224,067.60

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Solution

The fourth proportional to 225,622.80, 338,434.20 and 224,067.60 is: 336,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,622.80 : 338,434.20 = 224,067.60 : x
  2. Step 2: Convert to fraction form
    225,622.80/338,434.20 = 224,067.60/x
  3. Step 3: Cross multiply
    225,622.80x = 338,434.20 × 224,067.60
  4. Step 4: Simplify right side
    225,622.80x = 75,832,138,951.92
  5. Step 5: Solve for x
    x = 75,832,138,951.92/225,622.80
  6. Step 6: Final answer
    x = 336,101.40

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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.