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Finding the Fourth Proportional to 516.24, 774.69 and 474.52

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Solution

The fourth proportional to 516.24, 774.69 and 474.52 is: 712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.24 : 774.69 = 474.52 : x
  2. Step 2: Convert to fraction form
    516.24/774.69 = 474.52/x
  3. Step 3: Cross multiply
    516.24x = 774.69 × 474.52
  4. Step 4: Simplify right side
    516.24x = 367,605.90
  5. Step 5: Solve for x
    x = 367,605.90/516.24
  6. Step 6: Final answer
    x = 712.09

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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.