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Finding the Fourth Proportional to 516.74, 773.67 and 333.58

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Solution

The fourth proportional to 516.74, 773.67 and 333.58 is: 499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.74 : 773.67 = 333.58 : x
  2. Step 2: Convert to fraction form
    516.74/773.67 = 333.58/x
  3. Step 3: Cross multiply
    516.74x = 773.67 × 333.58
  4. Step 4: Simplify right side
    516.74x = 258,079.73
  5. Step 5: Solve for x
    x = 258,079.73/516.74
  6. Step 6: Final answer
    x = 499.44

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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.