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Finding the Fourth Proportional to 1,195.76, 1,793.43 and 546.34

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Solution

The fourth proportional to 1,195.76, 1,793.43 and 546.34 is: 819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.76 : 1,793.43 = 546.34 : x
  2. Step 2: Convert to fraction form
    1,195.76/1,793.43 = 546.34/x
  3. Step 3: Cross multiply
    1,195.76x = 1,793.43 × 546.34
  4. Step 4: Simplify right side
    1,195.76x = 979,822.55
  5. Step 5: Solve for x
    x = 979,822.55/1,195.76
  6. Step 6: Final answer
    x = 819.41

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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.