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Finding the Fourth Proportional to 484.98, 726.93 and 196.26

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Solution

The fourth proportional to 484.98, 726.93 and 196.26 is: 294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.98 : 726.93 = 196.26 : x
  2. Step 2: Convert to fraction form
    484.98/726.93 = 196.26/x
  3. Step 3: Cross multiply
    484.98x = 726.93 × 196.26
  4. Step 4: Simplify right side
    484.98x = 142,667.28
  5. Step 5: Solve for x
    x = 142,667.28/484.98
  6. Step 6: Final answer
    x = 294.17

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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.