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Finding the Fourth Proportional to 796.10, 1,099.12 and 516.46

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Solution

The fourth proportional to 796.10, 1,099.12 and 516.46 is: 713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.10 : 1,099.12 = 516.46 : x
  2. Step 2: Convert to fraction form
    796.10/1,099.12 = 516.46/x
  3. Step 3: Cross multiply
    796.10x = 1,099.12 × 516.46
  4. Step 4: Simplify right side
    796.10x = 567,651.52
  5. Step 5: Solve for x
    x = 567,651.52/796.10
  6. Step 6: Final answer
    x = 713.04

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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.