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Finding the Fourth Proportional to 293.44, 404.66 and 272.24

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Solution

The fourth proportional to 293.44, 404.66 and 272.24 is: 375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.44 : 404.66 = 272.24 : x
  2. Step 2: Convert to fraction form
    293.44/404.66 = 272.24/x
  3. Step 3: Cross multiply
    293.44x = 404.66 × 272.24
  4. Step 4: Simplify right side
    293.44x = 110,164.64
  5. Step 5: Solve for x
    x = 110,164.64/293.44
  6. Step 6: Final answer
    x = 375.42

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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.