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Finding the Fourth Proportional to 196.80, 294.33 and 175.29

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Solution

The fourth proportional to 196.80, 294.33 and 175.29 is: 262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.80 : 294.33 = 175.29 : x
  2. Step 2: Convert to fraction form
    196.80/294.33 = 175.29/x
  3. Step 3: Cross multiply
    196.80x = 294.33 × 175.29
  4. Step 4: Simplify right side
    196.80x = 51,593.11
  5. Step 5: Solve for x
    x = 51,593.11/196.80
  6. Step 6: Final answer
    x = 262.16

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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.