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Finding the Fourth Proportional to 467.58, 644.97 and 336.76

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Solution

The fourth proportional to 467.58, 644.97 and 336.76 is: 464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.58 : 644.97 = 336.76 : x
  2. Step 2: Convert to fraction form
    467.58/644.97 = 336.76/x
  3. Step 3: Cross multiply
    467.58x = 644.97 × 336.76
  4. Step 4: Simplify right side
    467.58x = 217,200.10
  5. Step 5: Solve for x
    x = 217,200.10/467.58
  6. Step 6: Final answer
    x = 464.52

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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.