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Finding the Fourth Proportional to 461.64, 692.76 and 173.08

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Solution

The fourth proportional to 461.64, 692.76 and 173.08 is: 259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.64 : 692.76 = 173.08 : x
  2. Step 2: Convert to fraction form
    461.64/692.76 = 173.08/x
  3. Step 3: Cross multiply
    461.64x = 692.76 × 173.08
  4. Step 4: Simplify right side
    461.64x = 119,902.90
  5. Step 5: Solve for x
    x = 119,902.90/461.64
  6. Step 6: Final answer
    x = 259.73

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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.