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Finding the Fourth Proportional to 617.03, 927.04 and 397.76

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Solution

The fourth proportional to 617.03, 927.04 and 397.76 is: 597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.03 : 927.04 = 397.76 : x
  2. Step 2: Convert to fraction form
    617.03/927.04 = 397.76/x
  3. Step 3: Cross multiply
    617.03x = 927.04 × 397.76
  4. Step 4: Simplify right side
    617.03x = 368,735.54
  5. Step 5: Solve for x
    x = 368,735.54/617.03
  6. Step 6: Final answer
    x = 597.60

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