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Finding the Fourth Proportional to 264.59, 397.05 and 196.29

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Solution

The fourth proportional to 264.59, 397.05 and 196.29 is: 294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.59 : 397.05 = 196.29 : x
  2. Step 2: Convert to fraction form
    264.59/397.05 = 196.29/x
  3. Step 3: Cross multiply
    264.59x = 397.05 × 196.29
  4. Step 4: Simplify right side
    264.59x = 77,936.94
  5. Step 5: Solve for x
    x = 77,936.94/264.59
  6. Step 6: Final answer
    x = 294.56

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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.