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Finding the Fourth Proportional to 322,371.46, 444,877.05 and 179,128.90

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Solution

The fourth proportional to 322,371.46, 444,877.05 and 179,128.90 is: 247,200.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,371.46 : 444,877.05 = 179,128.90 : x
  2. Step 2: Convert to fraction form
    322,371.46/444,877.05 = 179,128.90/x
  3. Step 3: Cross multiply
    322,371.46x = 444,877.05 × 179,128.90
  4. Step 4: Simplify right side
    322,371.46x = 79,690,336,601.75
  5. Step 5: Solve for x
    x = 79,690,336,601.75/322,371.46
  6. Step 6: Final answer
    x = 247,200.35

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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.