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Finding the Fourth Proportional to 244.08, 336.24 and 211.68

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Solution

The fourth proportional to 244.08, 336.24 and 211.68 is: 291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.08 : 336.24 = 211.68 : x
  2. Step 2: Convert to fraction form
    244.08/336.24 = 211.68/x
  3. Step 3: Cross multiply
    244.08x = 336.24 × 211.68
  4. Step 4: Simplify right side
    244.08x = 71,175.28
  5. Step 5: Solve for x
    x = 71,175.28/244.08
  6. Step 6: Final answer
    x = 291.61

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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.