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Finding the Fourth Proportional to 529.12, 793.68 and 516.97

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Solution

The fourth proportional to 529.12, 793.68 and 516.97 is: 775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.12 : 793.68 = 516.97 : x
  2. Step 2: Convert to fraction form
    529.12/793.68 = 516.97/x
  3. Step 3: Cross multiply
    529.12x = 793.68 × 516.97
  4. Step 4: Simplify right side
    529.12x = 410,308.75
  5. Step 5: Solve for x
    x = 410,308.75/529.12
  6. Step 6: Final answer
    x = 775.46

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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.