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Finding the Fourth Proportional to 311,593.32, 467,468.83 and 86,953.73

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Solution

The fourth proportional to 311,593.32, 467,468.83 and 86,953.73 is: 130,452.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,593.32 : 467,468.83 = 86,953.73 : x
  2. Step 2: Convert to fraction form
    311,593.32/467,468.83 = 86,953.73/x
  3. Step 3: Cross multiply
    311,593.32x = 467,468.83 × 86,953.73
  4. Step 4: Simplify right side
    311,593.32x = 40,648,156,198.58
  5. Step 5: Solve for x
    x = 40,648,156,198.58/311,593.32
  6. Step 6: Final answer
    x = 130,452.59

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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.