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Finding the Fourth Proportional to 1,195.55, 1,793.22 and 546.23

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Solution

The fourth proportional to 1,195.55, 1,793.22 and 546.23 is: 819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.55 : 1,793.22 = 546.23 : x
  2. Step 2: Convert to fraction form
    1,195.55/1,793.22 = 546.23/x
  3. Step 3: Cross multiply
    1,195.55x = 1,793.22 × 546.23
  4. Step 4: Simplify right side
    1,195.55x = 979,510.56
  5. Step 5: Solve for x
    x = 979,510.56/1,195.55
  6. Step 6: Final answer
    x = 819.30

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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.