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Finding the Fourth Proportional to 196.44, 293.91 and 190.50

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Solution

The fourth proportional to 196.44, 293.91 and 190.50 is: 285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.44 : 293.91 = 190.50 : x
  2. Step 2: Convert to fraction form
    196.44/293.91 = 190.50/x
  3. Step 3: Cross multiply
    196.44x = 293.91 × 190.50
  4. Step 4: Simplify right side
    196.44x = 55,989.86
  5. Step 5: Solve for x
    x = 55,989.86/196.44
  6. Step 6: Final answer
    x = 285.02

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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.