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Finding the Fourth Proportional to 296.62, 408.18 and 246.94

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Solution

The fourth proportional to 296.62, 408.18 and 246.94 is: 339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.62 : 408.18 = 246.94 : x
  2. Step 2: Convert to fraction form
    296.62/408.18 = 246.94/x
  3. Step 3: Cross multiply
    296.62x = 408.18 × 246.94
  4. Step 4: Simplify right side
    296.62x = 100,795.97
  5. Step 5: Solve for x
    x = 100,795.97/296.62
  6. Step 6: Final answer
    x = 339.82

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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.