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Finding the Fourth Proportional to 351.19, 484.97 and 263.71

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Solution

The fourth proportional to 351.19, 484.97 and 263.71 is: 364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.19 : 484.97 = 263.71 : x
  2. Step 2: Convert to fraction form
    351.19/484.97 = 263.71/x
  3. Step 3: Cross multiply
    351.19x = 484.97 × 263.71
  4. Step 4: Simplify right side
    351.19x = 127,891.44
  5. Step 5: Solve for x
    x = 127,891.44/351.19
  6. Step 6: Final answer
    x = 364.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.