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Finding the Fourth Proportional to 467,158.67, 644,655.12 and 263,221.64

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Solution

The fourth proportional to 467,158.67, 644,655.12 and 263,221.64 is: 363,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,158.67 : 644,655.12 = 263,221.64 : x
  2. Step 2: Convert to fraction form
    467,158.67/644,655.12 = 263,221.64/x
  3. Step 3: Cross multiply
    467,158.67x = 644,655.12 × 263,221.64
  4. Step 4: Simplify right side
    467,158.67x = 169,687,177,920.80
  5. Step 5: Solve for x
    x = 169,687,177,920.80/467,158.67
  6. Step 6: Final answer
    x = 363,232.43

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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.