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Finding the Fourth Proportional to 488,523.20, 732,871.20 and 173,163.20

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Solution

The fourth proportional to 488,523.20, 732,871.20 and 173,163.20 is: 259,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,523.20 : 732,871.20 = 173,163.20 : x
  2. Step 2: Convert to fraction form
    488,523.20/732,871.20 = 173,163.20/x
  3. Step 3: Cross multiply
    488,523.20x = 732,871.20 × 173,163.20
  4. Step 4: Simplify right side
    488,523.20x = 126,906,322,179.84
  5. Step 5: Solve for x
    x = 126,906,322,179.84/488,523.20
  6. Step 6: Final answer
    x = 259,775.43

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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.