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Finding the Fourth Proportional to 694.01, 1,041 and 405.24

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Solution

The fourth proportional to 694.01, 1,041 and 405.24 is: 607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.01 : 1,041 = 405.24 : x
  2. Step 2: Convert to fraction form
    694.01/1,041 = 405.24/x
  3. Step 3: Cross multiply
    694.01x = 1,041 × 405.24
  4. Step 4: Simplify right side
    694.01x = 421,854.84
  5. Step 5: Solve for x
    x = 421,854.84/694.01
  6. Step 6: Final answer
    x = 607.86

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