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Finding the Fourth Proportional to 604.92, 907.17 and 171.96

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Solution

The fourth proportional to 604.92, 907.17 and 171.96 is: 257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.92 : 907.17 = 171.96 : x
  2. Step 2: Convert to fraction form
    604.92/907.17 = 171.96/x
  3. Step 3: Cross multiply
    604.92x = 907.17 × 171.96
  4. Step 4: Simplify right side
    604.92x = 155,996.95
  5. Step 5: Solve for x
    x = 155,996.95/604.92
  6. Step 6: Final answer
    x = 257.88

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