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Finding the Fourth Proportional to 529.36, 794.04 and 516.56

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Solution

The fourth proportional to 529.36, 794.04 and 516.56 is: 774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.36 : 794.04 = 516.56 : x
  2. Step 2: Convert to fraction form
    529.36/794.04 = 516.56/x
  3. Step 3: Cross multiply
    529.36x = 794.04 × 516.56
  4. Step 4: Simplify right side
    529.36x = 410,169.30
  5. Step 5: Solve for x
    x = 410,169.30/529.36
  6. Step 6: Final answer
    x = 774.84

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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.