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Finding the Fourth Proportional to 791.01, 1,184.44 and 516.33

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Solution

The fourth proportional to 791.01, 1,184.44 and 516.33 is: 773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    791.01 : 1,184.44 = 516.33 : x
  2. Step 2: Convert to fraction form
    791.01/1,184.44 = 516.33/x
  3. Step 3: Cross multiply
    791.01x = 1,184.44 × 516.33
  4. Step 4: Simplify right side
    791.01x = 611,554.69
  5. Step 5: Solve for x
    x = 611,554.69/791.01
  6. Step 6: Final answer
    x = 773.14

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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.