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Finding the Fourth Proportional to 467.62, 701.12 and 193.79

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Solution

The fourth proportional to 467.62, 701.12 and 193.79 is: 290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.62 : 701.12 = 193.79 : x
  2. Step 2: Convert to fraction form
    467.62/701.12 = 193.79/x
  3. Step 3: Cross multiply
    467.62x = 701.12 × 193.79
  4. Step 4: Simplify right side
    467.62x = 135,865.57
  5. Step 5: Solve for x
    x = 135,865.57/467.62
  6. Step 6: Final answer
    x = 290.55

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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.