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Finding the Fourth Proportional to 461.24, 692.94 and 396.44

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Solution

The fourth proportional to 461.24, 692.94 and 396.44 is: 595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.24 : 692.94 = 396.44 : x
  2. Step 2: Convert to fraction form
    461.24/692.94 = 396.44/x
  3. Step 3: Cross multiply
    461.24x = 692.94 × 396.44
  4. Step 4: Simplify right side
    461.24x = 274,709.13
  5. Step 5: Solve for x
    x = 274,709.13/461.24
  6. Step 6: Final answer
    x = 595.59

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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.