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Finding the Fourth Proportional to 462.08, 692.84 and 201.94

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Solution

The fourth proportional to 462.08, 692.84 and 201.94 is: 302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.08 : 692.84 = 201.94 : x
  2. Step 2: Convert to fraction form
    462.08/692.84 = 201.94/x
  3. Step 3: Cross multiply
    462.08x = 692.84 × 201.94
  4. Step 4: Simplify right side
    462.08x = 139,910.88
  5. Step 5: Solve for x
    x = 139,910.88/462.08
  6. Step 6: Final answer
    x = 302.78

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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.