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Finding the Fourth Proportional to 348.83, 481.38 and 193.58

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Solution

The fourth proportional to 348.83, 481.38 and 193.58 is: 267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.83 : 481.38 = 193.58 : x
  2. Step 2: Convert to fraction form
    348.83/481.38 = 193.58/x
  3. Step 3: Cross multiply
    348.83x = 481.38 × 193.58
  4. Step 4: Simplify right side
    348.83x = 93,183.13
  5. Step 5: Solve for x
    x = 93,183.13/348.83
  6. Step 6: Final answer
    x = 267.13

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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.