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Finding the Fourth Proportional to 294.66, 406.44 and 224.46

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Solution

The fourth proportional to 294.66, 406.44 and 224.46 is: 309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.66 : 406.44 = 224.46 : x
  2. Step 2: Convert to fraction form
    294.66/406.44 = 224.46/x
  3. Step 3: Cross multiply
    294.66x = 406.44 × 224.46
  4. Step 4: Simplify right side
    294.66x = 91,229.52
  5. Step 5: Solve for x
    x = 91,229.52/294.66
  6. Step 6: Final answer
    x = 309.61

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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.