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Finding the Fourth Proportional to 698.02, 1,046.63 and 229.27

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Solution

The fourth proportional to 698.02, 1,046.63 and 229.27 is: 343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    698.02 : 1,046.63 = 229.27 : x
  2. Step 2: Convert to fraction form
    698.02/1,046.63 = 229.27/x
  3. Step 3: Cross multiply
    698.02x = 1,046.63 × 229.27
  4. Step 4: Simplify right side
    698.02x = 239,955.63
  5. Step 5: Solve for x
    x = 239,955.63/698.02
  6. Step 6: Final answer
    x = 343.77

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