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Finding the Fourth Proportional to 732.97, 1,099.36 and 185.12

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Solution

The fourth proportional to 732.97, 1,099.36 and 185.12 is: 277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.97 : 1,099.36 = 185.12 : x
  2. Step 2: Convert to fraction form
    732.97/1,099.36 = 185.12/x
  3. Step 3: Cross multiply
    732.97x = 1,099.36 × 185.12
  4. Step 4: Simplify right side
    732.97x = 203,513.99
  5. Step 5: Solve for x
    x = 203,513.99/732.97
  6. Step 6: Final answer
    x = 277.66

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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.