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Finding the Fourth Proportional to 217,288.60, 325,932.90 and 179,963.80

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Solution

The fourth proportional to 217,288.60, 325,932.90 and 179,963.80 is: 269,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,288.60 : 325,932.90 = 179,963.80 : x
  2. Step 2: Convert to fraction form
    217,288.60/325,932.90 = 179,963.80/x
  3. Step 3: Cross multiply
    217,288.60x = 325,932.90 × 179,963.80
  4. Step 4: Simplify right side
    217,288.60x = 58,656,123,229.02
  5. Step 5: Solve for x
    x = 58,656,123,229.02/217,288.60
  6. Step 6: Final answer
    x = 269,945.70

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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.