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Finding the Fourth Proportional to 300,902.40, 415,289.52 and 173,553.12

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Solution

The fourth proportional to 300,902.40, 415,289.52 and 173,553.12 is: 239,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,902.40 : 415,289.52 = 173,553.12 : x
  2. Step 2: Convert to fraction form
    300,902.40/415,289.52 = 173,553.12/x
  3. Step 3: Cross multiply
    300,902.40x = 415,289.52 × 173,553.12
  4. Step 4: Simplify right side
    300,902.40x = 72,074,791,899.30
  5. Step 5: Solve for x
    x = 72,074,791,899.30/300,902.40
  6. Step 6: Final answer
    x = 239,528.80

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