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Finding the Fourth Proportional to 336.54, 464.44 and 212.12

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Solution

The fourth proportional to 336.54, 464.44 and 212.12 is: 292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.54 : 464.44 = 212.12 : x
  2. Step 2: Convert to fraction form
    336.54/464.44 = 212.12/x
  3. Step 3: Cross multiply
    336.54x = 464.44 × 212.12
  4. Step 4: Simplify right side
    336.54x = 98,517.01
  5. Step 5: Solve for x
    x = 98,517.01/336.54
  6. Step 6: Final answer
    x = 292.73

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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.