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Finding the Fourth Proportional to 484.46, 726.62 and 159.84

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Solution

The fourth proportional to 484.46, 726.62 and 159.84 is: 239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.46 : 726.62 = 159.84 : x
  2. Step 2: Convert to fraction form
    484.46/726.62 = 159.84/x
  3. Step 3: Cross multiply
    484.46x = 726.62 × 159.84
  4. Step 4: Simplify right side
    484.46x = 116,142.94
  5. Step 5: Solve for x
    x = 116,142.94/484.46
  6. Step 6: Final answer
    x = 239.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.