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Finding the Fourth Proportional to 196.32, 294.44 and 185.60

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Solution

The fourth proportional to 196.32, 294.44 and 185.60 is: 278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.32 : 294.44 = 185.60 : x
  2. Step 2: Convert to fraction form
    196.32/294.44 = 185.60/x
  3. Step 3: Cross multiply
    196.32x = 294.44 × 185.60
  4. Step 4: Simplify right side
    196.32x = 54,648.06
  5. Step 5: Solve for x
    x = 54,648.06/196.32
  6. Step 6: Final answer
    x = 278.36

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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.