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Finding the Fourth Proportional to 461.67, 692.53 and 169.23

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Solution

The fourth proportional to 461.67, 692.53 and 169.23 is: 253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.67 : 692.53 = 169.23 : x
  2. Step 2: Convert to fraction form
    461.67/692.53 = 169.23/x
  3. Step 3: Cross multiply
    461.67x = 692.53 × 169.23
  4. Step 4: Simplify right side
    461.67x = 117,196.85
  5. Step 5: Solve for x
    x = 117,196.85/461.67
  6. Step 6: Final answer
    x = 253.85

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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.