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Finding the Fourth Proportional to 463.22, 694.56 and 174.50

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Solution

The fourth proportional to 463.22, 694.56 and 174.50 is: 261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.22 : 694.56 = 174.50 : x
  2. Step 2: Convert to fraction form
    463.22/694.56 = 174.50/x
  3. Step 3: Cross multiply
    463.22x = 694.56 × 174.50
  4. Step 4: Simplify right side
    463.22x = 121,200.72
  5. Step 5: Solve for x
    x = 121,200.72/463.22
  6. Step 6: Final answer
    x = 261.65

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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.