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Finding the Fourth Proportional to 336.88, 464.68 and 205.96

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Solution

The fourth proportional to 336.88, 464.68 and 205.96 is: 284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.88 : 464.68 = 205.96 : x
  2. Step 2: Convert to fraction form
    336.88/464.68 = 205.96/x
  3. Step 3: Cross multiply
    336.88x = 464.68 × 205.96
  4. Step 4: Simplify right side
    336.88x = 95,705.49
  5. Step 5: Solve for x
    x = 95,705.49/336.88
  6. Step 6: Final answer
    x = 284.09

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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.