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Finding the Fourth Proportional to 484.19, 726.19 and 159.51

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Solution

The fourth proportional to 484.19, 726.19 and 159.51 is: 239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.19 : 726.19 = 159.51 : x
  2. Step 2: Convert to fraction form
    484.19/726.19 = 159.51/x
  3. Step 3: Cross multiply
    484.19x = 726.19 × 159.51
  4. Step 4: Simplify right side
    484.19x = 115,834.17
  5. Step 5: Solve for x
    x = 115,834.17/484.19
  6. Step 6: Final answer
    x = 239.24

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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.