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Finding the Fourth Proportional to 348.62, 481.08 and 191.26

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Solution

The fourth proportional to 348.62, 481.08 and 191.26 is: 263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.62 : 481.08 = 191.26 : x
  2. Step 2: Convert to fraction form
    348.62/481.08 = 191.26/x
  3. Step 3: Cross multiply
    348.62x = 481.08 × 191.26
  4. Step 4: Simplify right side
    348.62x = 92,011.36
  5. Step 5: Solve for x
    x = 92,011.36/348.62
  6. Step 6: Final answer
    x = 263.93

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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.