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Finding the Fourth Proportional to 615.97, 923.96 and 322.75

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Solution

The fourth proportional to 615.97, 923.96 and 322.75 is: 484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.97 : 923.96 = 322.75 : x
  2. Step 2: Convert to fraction form
    615.97/923.96 = 322.75/x
  3. Step 3: Cross multiply
    615.97x = 923.96 × 322.75
  4. Step 4: Simplify right side
    615.97x = 298,208.09
  5. Step 5: Solve for x
    x = 298,208.09/615.97
  6. Step 6: Final answer
    x = 484.13

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