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Finding the Fourth Proportional to 462.66, 694.26 and 174.10

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Solution

The fourth proportional to 462.66, 694.26 and 174.10 is: 261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.66 : 694.26 = 174.10 : x
  2. Step 2: Convert to fraction form
    462.66/694.26 = 174.10/x
  3. Step 3: Cross multiply
    462.66x = 694.26 × 174.10
  4. Step 4: Simplify right side
    462.66x = 120,870.67
  5. Step 5: Solve for x
    x = 120,870.67/462.66
  6. Step 6: Final answer
    x = 261.25

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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.