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Finding the Fourth Proportional to 498.05, 746.82 and 263.92

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Solution

The fourth proportional to 498.05, 746.82 and 263.92 is: 395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.05 : 746.82 = 263.92 : x
  2. Step 2: Convert to fraction form
    498.05/746.82 = 263.92/x
  3. Step 3: Cross multiply
    498.05x = 746.82 × 263.92
  4. Step 4: Simplify right side
    498.05x = 197,098.87
  5. Step 5: Solve for x
    x = 197,098.87/498.05
  6. Step 6: Final answer
    x = 395.74

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