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Finding the Fourth Proportional to 467.44, 644.92 and 336.69

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Solution

The fourth proportional to 467.44, 644.92 and 336.69 is: 464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.44 : 644.92 = 336.69 : x
  2. Step 2: Convert to fraction form
    467.44/644.92 = 336.69/x
  3. Step 3: Cross multiply
    467.44x = 644.92 × 336.69
  4. Step 4: Simplify right side
    467.44x = 217,137.27
  5. Step 5: Solve for x
    x = 217,137.27/467.44
  6. Step 6: Final answer
    x = 464.53

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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.