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Finding the Fourth Proportional to 348.57, 481.04 and 193.32

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Solution

The fourth proportional to 348.57, 481.04 and 193.32 is: 266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.57 : 481.04 = 193.32 : x
  2. Step 2: Convert to fraction form
    348.57/481.04 = 193.32/x
  3. Step 3: Cross multiply
    348.57x = 481.04 × 193.32
  4. Step 4: Simplify right side
    348.57x = 92,993.69
  5. Step 5: Solve for x
    x = 92,993.69/348.57
  6. Step 6: Final answer
    x = 266.79

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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.