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Finding the Fourth Proportional to 516.59, 774.87 and 224.04

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Solution

The fourth proportional to 516.59, 774.87 and 224.04 is: 336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.59 : 774.87 = 224.04 : x
  2. Step 2: Convert to fraction form
    516.59/774.87 = 224.04/x
  3. Step 3: Cross multiply
    516.59x = 774.87 × 224.04
  4. Step 4: Simplify right side
    516.59x = 173,601.87
  5. Step 5: Solve for x
    x = 173,601.87/516.59
  6. Step 6: Final answer
    x = 336.06

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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.