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Finding the Fourth Proportional to 499.05, 748.32 and 264.92

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Solution

The fourth proportional to 499.05, 748.32 and 264.92 is: 397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.05 : 748.32 = 264.92 : x
  2. Step 2: Convert to fraction form
    499.05/748.32 = 264.92/x
  3. Step 3: Cross multiply
    499.05x = 748.32 × 264.92
  4. Step 4: Simplify right side
    499.05x = 198,244.93
  5. Step 5: Solve for x
    x = 198,244.93/499.05
  6. Step 6: Final answer
    x = 397.24

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