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Finding the Fourth Proportional to 1,195.92, 1,793.28 and 546.32

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Solution

The fourth proportional to 1,195.92, 1,793.28 and 546.32 is: 819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.92 : 1,793.28 = 546.32 : x
  2. Step 2: Convert to fraction form
    1,195.92/1,793.28 = 546.32/x
  3. Step 3: Cross multiply
    1,195.92x = 1,793.28 × 546.32
  4. Step 4: Simplify right side
    1,195.92x = 979,704.73
  5. Step 5: Solve for x
    x = 979,704.73/1,195.92
  6. Step 6: Final answer
    x = 819.21

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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.