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Finding the Fourth Proportional to 348.93, 481.14 and 224.44

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Solution

The fourth proportional to 348.93, 481.14 and 224.44 is: 309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.93 : 481.14 = 224.44 : x
  2. Step 2: Convert to fraction form
    348.93/481.14 = 224.44/x
  3. Step 3: Cross multiply
    348.93x = 481.14 × 224.44
  4. Step 4: Simplify right side
    348.93x = 107,987.06
  5. Step 5: Solve for x
    x = 107,987.06/348.93
  6. Step 6: Final answer
    x = 309.48

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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.