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Finding the Fourth Proportional to 293.24, 404.72 and 223.19

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Solution

The fourth proportional to 293.24, 404.72 and 223.19 is: 308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.24 : 404.72 = 223.19 : x
  2. Step 2: Convert to fraction form
    293.24/404.72 = 223.19/x
  3. Step 3: Cross multiply
    293.24x = 404.72 × 223.19
  4. Step 4: Simplify right side
    293.24x = 90,326.32
  5. Step 5: Solve for x
    x = 90,326.32/293.24
  6. Step 6: Final answer
    x = 308.03

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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.