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Finding the Fourth Proportional to 442,922.40, 664,383.60 and 162,403.20

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Solution

The fourth proportional to 442,922.40, 664,383.60 and 162,403.20 is: 243,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,922.40 : 664,383.60 = 162,403.20 : x
  2. Step 2: Convert to fraction form
    442,922.40/664,383.60 = 162,403.20/x
  3. Step 3: Cross multiply
    442,922.40x = 664,383.60 × 162,403.20
  4. Step 4: Simplify right side
    442,922.40x = 107,898,022,667.52
  5. Step 5: Solve for x
    x = 107,898,022,667.52/442,922.40
  6. Step 6: Final answer
    x = 243,604.80

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