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Finding the Fourth Proportional to 462.89, 692.99 and 401

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Solution

The fourth proportional to 462.89, 692.99 and 401 is: 600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.89 : 692.99 = 401 : x
  2. Step 2: Convert to fraction form
    462.89/692.99 = 401/x
  3. Step 3: Cross multiply
    462.89x = 692.99 × 401
  4. Step 4: Simplify right side
    462.89x = 277,886.99
  5. Step 5: Solve for x
    x = 277,886.99/462.89
  6. Step 6: Final answer
    x = 600.33

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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.