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Finding the Fourth Proportional to 408,674.88, 563,965.92 and 229,826.88

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Solution

The fourth proportional to 408,674.88, 563,965.92 and 229,826.88 is: 317,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,674.88 : 563,965.92 = 229,826.88 : x
  2. Step 2: Convert to fraction form
    408,674.88/563,965.92 = 229,826.88/x
  3. Step 3: Cross multiply
    408,674.88x = 563,965.92 × 229,826.88
  4. Step 4: Simplify right side
    408,674.88x = 129,614,527,819.93
  5. Step 5: Solve for x
    x = 129,614,527,819.93/408,674.88
  6. Step 6: Final answer
    x = 317,158.05

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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.