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Finding the Fourth Proportional to 348.44, 522.38 and 224.91

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Solution

The fourth proportional to 348.44, 522.38 and 224.91 is: 337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.44 : 522.38 = 224.91 : x
  2. Step 2: Convert to fraction form
    348.44/522.38 = 224.91/x
  3. Step 3: Cross multiply
    348.44x = 522.38 × 224.91
  4. Step 4: Simplify right side
    348.44x = 117,489.05
  5. Step 5: Solve for x
    x = 117,489.05/348.44
  6. Step 6: Final answer
    x = 337.19

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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.