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Finding the Fourth Proportional to 408,251.87, 563,355.67 and 226,952.76

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Solution

The fourth proportional to 408,251.87, 563,355.67 and 226,952.76 is: 313,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,251.87 : 563,355.67 = 226,952.76 : x
  2. Step 2: Convert to fraction form
    408,251.87/563,355.67 = 226,952.76/x
  3. Step 3: Cross multiply
    408,251.87x = 563,355.67 × 226,952.76
  4. Step 4: Simplify right side
    408,251.87x = 127,855,124,873.60
  5. Step 5: Solve for x
    x = 127,855,124,873.60/408,251.87
  6. Step 6: Final answer
    x = 313,177.07

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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.