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Finding the Fourth Proportional to 1,082.44, 1,493.70 and 610.41

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Solution

The fourth proportional to 1,082.44, 1,493.70 and 610.41 is: 842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.44 : 1,493.70 = 610.41 : x
  2. Step 2: Convert to fraction form
    1,082.44/1,493.70 = 610.41/x
  3. Step 3: Cross multiply
    1,082.44x = 1,493.70 × 610.41
  4. Step 4: Simplify right side
    1,082.44x = 911,769.42
  5. Step 5: Solve for x
    x = 911,769.42/1,082.44
  6. Step 6: Final answer
    x = 842.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.