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Finding the Fourth Proportional to 496.32, 743.76 and 462.24

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Solution

The fourth proportional to 496.32, 743.76 and 462.24 is: 692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.32 : 743.76 = 462.24 : x
  2. Step 2: Convert to fraction form
    496.32/743.76 = 462.24/x
  3. Step 3: Cross multiply
    496.32x = 743.76 × 462.24
  4. Step 4: Simplify right side
    496.32x = 343,795.62
  5. Step 5: Solve for x
    x = 343,795.62/496.32
  6. Step 6: Final answer
    x = 692.69

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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.