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Finding the Fourth Proportional to 557.31, 836.07 and 352.14

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Solution

The fourth proportional to 557.31, 836.07 and 352.14 is: 528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.31 : 836.07 = 352.14 : x
  2. Step 2: Convert to fraction form
    557.31/836.07 = 352.14/x
  3. Step 3: Cross multiply
    557.31x = 836.07 × 352.14
  4. Step 4: Simplify right side
    557.31x = 294,413.69
  5. Step 5: Solve for x
    x = 294,413.69/557.31
  6. Step 6: Final answer
    x = 528.28

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