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Finding the Fourth Proportional to 325,537.60, 488,594.40 and 192,251.20

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Solution

The fourth proportional to 325,537.60, 488,594.40 and 192,251.20 is: 288,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,537.60 : 488,594.40 = 192,251.20 : x
  2. Step 2: Convert to fraction form
    325,537.60/488,594.40 = 192,251.20/x
  3. Step 3: Cross multiply
    325,537.60x = 488,594.40 × 192,251.20
  4. Step 4: Simplify right side
    325,537.60x = 93,932,859,713.28
  5. Step 5: Solve for x
    x = 93,932,859,713.28/325,537.60
  6. Step 6: Final answer
    x = 288,546.88

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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.