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Finding the Fourth Proportional to 352,024.62, 485,793.36 and 196,976.04

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Solution

The fourth proportional to 352,024.62, 485,793.36 and 196,976.04 is: 271,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,024.62 : 485,793.36 = 196,976.04 : x
  2. Step 2: Convert to fraction form
    352,024.62/485,793.36 = 196,976.04/x
  3. Step 3: Cross multiply
    352,024.62x = 485,793.36 × 196,976.04
  4. Step 4: Simplify right side
    352,024.62x = 95,689,652,311.09
  5. Step 5: Solve for x
    x = 95,689,652,311.09/352,024.62
  6. Step 6: Final answer
    x = 271,826.59

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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.