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Finding the Fourth Proportional to 461.88, 692.75 and 173.25

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Solution

The fourth proportional to 461.88, 692.75 and 173.25 is: 259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.88 : 692.75 = 173.25 : x
  2. Step 2: Convert to fraction form
    461.88/692.75 = 173.25/x
  3. Step 3: Cross multiply
    461.88x = 692.75 × 173.25
  4. Step 4: Simplify right side
    461.88x = 120,019.37
  5. Step 5: Solve for x
    x = 120,019.37/461.88
  6. Step 6: Final answer
    x = 259.85

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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.