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Finding the Fourth Proportional to 496.92, 682.56 and 482.32

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Solution

The fourth proportional to 496.92, 682.56 and 482.32 is: 662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.92 : 682.56 = 482.32 : x
  2. Step 2: Convert to fraction form
    496.92/682.56 = 482.32/x
  3. Step 3: Cross multiply
    496.92x = 682.56 × 482.32
  4. Step 4: Simplify right side
    496.92x = 329,212.34
  5. Step 5: Solve for x
    x = 329,212.34/496.92
  6. Step 6: Final answer
    x = 662.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.