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Finding the Fourth Proportional to 1,197.24, 1,793.46 and 547.08

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Solution

The fourth proportional to 1,197.24, 1,793.46 and 547.08 is: 819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.24 : 1,793.46 = 547.08 : x
  2. Step 2: Convert to fraction form
    1,197.24/1,793.46 = 547.08/x
  3. Step 3: Cross multiply
    1,197.24x = 1,793.46 × 547.08
  4. Step 4: Simplify right side
    1,197.24x = 981,166.10
  5. Step 5: Solve for x
    x = 981,166.10/1,197.24
  6. Step 6: Final answer
    x = 819.52

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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.