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Finding the Fourth Proportional to 517.24, 776.07 and 224.59

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Solution

The fourth proportional to 517.24, 776.07 and 224.59 is: 336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.24 : 776.07 = 224.59 : x
  2. Step 2: Convert to fraction form
    517.24/776.07 = 224.59/x
  3. Step 3: Cross multiply
    517.24x = 776.07 × 224.59
  4. Step 4: Simplify right side
    517.24x = 174,293.68
  5. Step 5: Solve for x
    x = 174,293.68/517.24
  6. Step 6: Final answer
    x = 336.97

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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.