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Finding the Fourth Proportional to 270.04, 404.24 and 226.48

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Solution

The fourth proportional to 270.04, 404.24 and 226.48 is: 339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.04 : 404.24 = 226.48 : x
  2. Step 2: Convert to fraction form
    270.04/404.24 = 226.48/x
  3. Step 3: Cross multiply
    270.04x = 404.24 × 226.48
  4. Step 4: Simplify right side
    270.04x = 91,552.28
  5. Step 5: Solve for x
    x = 91,552.28/270.04
  6. Step 6: Final answer
    x = 339.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.