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Finding the Fourth Proportional to 454,327.50, 626,976.21 and 250,385.88

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Solution

The fourth proportional to 454,327.50, 626,976.21 and 250,385.88 is: 345,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,327.50 : 626,976.21 = 250,385.88 : x
  2. Step 2: Convert to fraction form
    454,327.50/626,976.21 = 250,385.88/x
  3. Step 3: Cross multiply
    454,327.50x = 626,976.21 × 250,385.88
  4. Step 4: Simplify right side
    454,327.50x = 156,985,990,079.92
  5. Step 5: Solve for x
    x = 156,985,990,079.92/454,327.50
  6. Step 6: Final answer
    x = 345,534.86

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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.