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Finding the Fourth Proportional to 296.04, 408.10 and 222.44

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Solution

The fourth proportional to 296.04, 408.10 and 222.44 is: 306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.04 : 408.10 = 222.44 : x
  2. Step 2: Convert to fraction form
    296.04/408.10 = 222.44/x
  3. Step 3: Cross multiply
    296.04x = 408.10 × 222.44
  4. Step 4: Simplify right side
    296.04x = 90,777.76
  5. Step 5: Solve for x
    x = 90,777.76/296.04
  6. Step 6: Final answer
    x = 306.64

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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.