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Finding the Fourth Proportional to 264.69, 396.68 and 196.47

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Solution

The fourth proportional to 264.69, 396.68 and 196.47 is: 294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.69 : 396.68 = 196.47 : x
  2. Step 2: Convert to fraction form
    264.69/396.68 = 196.47/x
  3. Step 3: Cross multiply
    264.69x = 396.68 × 196.47
  4. Step 4: Simplify right side
    264.69x = 77,934.74
  5. Step 5: Solve for x
    x = 77,934.74/264.69
  6. Step 6: Final answer
    x = 294.44

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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.