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Finding the Fourth Proportional to 484.62, 726.94 and 196.06

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Solution

The fourth proportional to 484.62, 726.94 and 196.06 is: 294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.62 : 726.94 = 196.06 : x
  2. Step 2: Convert to fraction form
    484.62/726.94 = 196.06/x
  3. Step 3: Cross multiply
    484.62x = 726.94 × 196.06
  4. Step 4: Simplify right side
    484.62x = 142,523.86
  5. Step 5: Solve for x
    x = 142,523.86/484.62
  6. Step 6: Final answer
    x = 294.09

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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.