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Finding the Fourth Proportional to 483.92, 667.56 and 336.68

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Solution

The fourth proportional to 483.92, 667.56 and 336.68 is: 464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.92 : 667.56 = 336.68 : x
  2. Step 2: Convert to fraction form
    483.92/667.56 = 336.68/x
  3. Step 3: Cross multiply
    483.92x = 667.56 × 336.68
  4. Step 4: Simplify right side
    483.92x = 224,754.10
  5. Step 5: Solve for x
    x = 224,754.10/483.92
  6. Step 6: Final answer
    x = 464.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.