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Finding the Fourth Proportional to 349.26, 481.62 and 224.93

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Solution

The fourth proportional to 349.26, 481.62 and 224.93 is: 310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.26 : 481.62 = 224.93 : x
  2. Step 2: Convert to fraction form
    349.26/481.62 = 224.93/x
  3. Step 3: Cross multiply
    349.26x = 481.62 × 224.93
  4. Step 4: Simplify right side
    349.26x = 108,328.38
  5. Step 5: Solve for x
    x = 108,328.38/349.26
  6. Step 6: Final answer
    x = 310.17

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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.