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Finding the Fourth Proportional to 244.53, 336.56 and 213.55

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Solution

The fourth proportional to 244.53, 336.56 and 213.55 is: 293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.53 : 336.56 = 213.55 : x
  2. Step 2: Convert to fraction form
    244.53/336.56 = 213.55/x
  3. Step 3: Cross multiply
    244.53x = 336.56 × 213.55
  4. Step 4: Simplify right side
    244.53x = 71,872.39
  5. Step 5: Solve for x
    x = 71,872.39/244.53
  6. Step 6: Final answer
    x = 293.92

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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.