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Finding the Fourth Proportional to 461.75, 692.67 and 169.34

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Solution

The fourth proportional to 461.75, 692.67 and 169.34 is: 254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.75 : 692.67 = 169.34 : x
  2. Step 2: Convert to fraction form
    461.75/692.67 = 169.34/x
  3. Step 3: Cross multiply
    461.75x = 692.67 × 169.34
  4. Step 4: Simplify right side
    461.75x = 117,293.27
  5. Step 5: Solve for x
    x = 117,293.27/461.75
  6. Step 6: Final answer
    x = 254.02

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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.