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Finding the Fourth Proportional to 467.38, 700.85 and 174.78

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Solution

The fourth proportional to 467.38, 700.85 and 174.78 is: 262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.38 : 700.85 = 174.78 : x
  2. Step 2: Convert to fraction form
    467.38/700.85 = 174.78/x
  3. Step 3: Cross multiply
    467.38x = 700.85 × 174.78
  4. Step 4: Simplify right side
    467.38x = 122,494.56
  5. Step 5: Solve for x
    x = 122,494.56/467.38
  6. Step 6: Final answer
    x = 262.09

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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.