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Finding the Fourth Proportional to 336.74, 464.71 and 205.75

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Solution

The fourth proportional to 336.74, 464.71 and 205.75 is: 283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.74 : 464.71 = 205.75 : x
  2. Step 2: Convert to fraction form
    336.74/464.71 = 205.75/x
  3. Step 3: Cross multiply
    336.74x = 464.71 × 205.75
  4. Step 4: Simplify right side
    336.74x = 95,613.05
  5. Step 5: Solve for x
    x = 95,613.05/336.74
  6. Step 6: Final answer
    x = 283.94

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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.