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Finding the Fourth Proportional to 462.08, 692.46 and 404

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Solution

The fourth proportional to 462.08, 692.46 and 404 is: 605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.08 : 692.46 = 404 : x
  2. Step 2: Convert to fraction form
    462.08/692.46 = 404/x
  3. Step 3: Cross multiply
    462.08x = 692.46 × 404
  4. Step 4: Simplify right side
    462.08x = 279,753.84
  5. Step 5: Solve for x
    x = 279,753.84/462.08
  6. Step 6: Final answer
    x = 605.42

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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.