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Finding the Fourth Proportional to 462.08, 692.90 and 173.31

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Solution

The fourth proportional to 462.08, 692.90 and 173.31 is: 259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.08 : 692.90 = 173.31 : x
  2. Step 2: Convert to fraction form
    462.08/692.90 = 173.31/x
  3. Step 3: Cross multiply
    462.08x = 692.90 × 173.31
  4. Step 4: Simplify right side
    462.08x = 120,086.50
  5. Step 5: Solve for x
    x = 120,086.50/462.08
  6. Step 6: Final answer
    x = 259.88

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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.