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Finding the Fourth Proportional to 796.29, 1,099.11 and 516.52

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Solution

The fourth proportional to 796.29, 1,099.11 and 516.52 is: 712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.29 : 1,099.11 = 516.52 : x
  2. Step 2: Convert to fraction form
    796.29/1,099.11 = 516.52/x
  3. Step 3: Cross multiply
    796.29x = 1,099.11 × 516.52
  4. Step 4: Simplify right side
    796.29x = 567,712.30
  5. Step 5: Solve for x
    x = 567,712.30/796.29
  6. Step 6: Final answer
    x = 712.95

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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.