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Finding the Fourth Proportional to 325,532.15, 488,134.20 and 192,453.20

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Solution

The fourth proportional to 325,532.15, 488,134.20 and 192,453.20 is: 288,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,532.15 : 488,134.20 = 192,453.20 : x
  2. Step 2: Convert to fraction form
    325,532.15/488,134.20 = 192,453.20/x
  3. Step 3: Cross multiply
    325,532.15x = 488,134.20 × 192,453.20
  4. Step 4: Simplify right side
    325,532.15x = 93,942,988,819.44
  5. Step 5: Solve for x
    x = 93,942,988,819.44/325,532.15
  6. Step 6: Final answer
    x = 288,582.83

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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.