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Finding the Fourth Proportional to 350,584.64, 525,876.96 and 320,171.84

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Solution

The fourth proportional to 350,584.64, 525,876.96 and 320,171.84 is: 480,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,584.64 : 525,876.96 = 320,171.84 : x
  2. Step 2: Convert to fraction form
    350,584.64/525,876.96 = 320,171.84/x
  3. Step 3: Cross multiply
    350,584.64x = 525,876.96 × 320,171.84
  4. Step 4: Simplify right side
    350,584.64x = 168,370,993,896.81
  5. Step 5: Solve for x
    x = 168,370,993,896.81/350,584.64
  6. Step 6: Final answer
    x = 480,257.76

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