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Finding the Fourth Proportional to 462.08, 692.52 and 187.85

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Solution

The fourth proportional to 462.08, 692.52 and 187.85 is: 281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.08 : 692.52 = 187.85 : x
  2. Step 2: Convert to fraction form
    462.08/692.52 = 187.85/x
  3. Step 3: Cross multiply
    462.08x = 692.52 × 187.85
  4. Step 4: Simplify right side
    462.08x = 130,091.61
  5. Step 5: Solve for x
    x = 130,091.61/462.08
  6. Step 6: Final answer
    x = 281.53

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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.