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Finding the Fourth Proportional to 516.24, 713.41 and 376.52

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Solution

The fourth proportional to 516.24, 713.41 and 376.52 is: 520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.24 : 713.41 = 376.52 : x
  2. Step 2: Convert to fraction form
    516.24/713.41 = 376.52/x
  3. Step 3: Cross multiply
    516.24x = 713.41 × 376.52
  4. Step 4: Simplify right side
    516.24x = 268,608.62
  5. Step 5: Solve for x
    x = 268,608.62/516.24
  6. Step 6: Final answer
    x = 520.32

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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.