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Finding the Fourth Proportional to 1,195.44, 1,793.14 and 492.64

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Solution

The fourth proportional to 1,195.44, 1,793.14 and 492.64 is: 738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.44 : 1,793.14 = 492.64 : x
  2. Step 2: Convert to fraction form
    1,195.44/1,793.14 = 492.64/x
  3. Step 3: Cross multiply
    1,195.44x = 1,793.14 × 492.64
  4. Step 4: Simplify right side
    1,195.44x = 883,366.78
  5. Step 5: Solve for x
    x = 883,366.78/1,195.44
  6. Step 6: Final answer
    x = 738.95

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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.