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Finding the Fourth Proportional to 262,251.96, 393,080.22 and 230,600.76

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Solution

The fourth proportional to 262,251.96, 393,080.22 and 230,600.76 is: 345,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,251.96 : 393,080.22 = 230,600.76 : x
  2. Step 2: Convert to fraction form
    262,251.96/393,080.22 = 230,600.76/x
  3. Step 3: Cross multiply
    262,251.96x = 393,080.22 × 230,600.76
  4. Step 4: Simplify right side
    262,251.96x = 90,644,597,472.97
  5. Step 5: Solve for x
    x = 90,644,597,472.97/262,251.96
  6. Step 6: Final answer
    x = 345,639.35

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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.