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Finding the Fourth Proportional to 338.74, 467.46 and 183.49

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Solution

The fourth proportional to 338.74, 467.46 and 183.49 is: 253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.74 : 467.46 = 183.49 : x
  2. Step 2: Convert to fraction form
    338.74/467.46 = 183.49/x
  3. Step 3: Cross multiply
    338.74x = 467.46 × 183.49
  4. Step 4: Simplify right side
    338.74x = 85,771.44
  5. Step 5: Solve for x
    x = 85,771.44/338.74
  6. Step 6: Final answer
    x = 253.21

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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.