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Finding the Fourth Proportional to 538.52, 807.36 and 264.32

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Solution

The fourth proportional to 538.52, 807.36 and 264.32 is: 396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.52 : 807.36 = 264.32 : x
  2. Step 2: Convert to fraction form
    538.52/807.36 = 264.32/x
  3. Step 3: Cross multiply
    538.52x = 807.36 × 264.32
  4. Step 4: Simplify right side
    538.52x = 213,401.40
  5. Step 5: Solve for x
    x = 213,401.40/538.52
  6. Step 6: Final answer
    x = 396.27

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