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Finding the Fourth Proportional to 442,387.44, 663,231.24 and 316,027.44

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Solution

The fourth proportional to 442,387.44, 663,231.24 and 316,027.44 is: 473,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,387.44 : 663,231.24 = 316,027.44 : x
  2. Step 2: Convert to fraction form
    442,387.44/663,231.24 = 316,027.44/x
  3. Step 3: Cross multiply
    442,387.44x = 663,231.24 × 316,027.44
  4. Step 4: Simplify right side
    442,387.44x = 209,599,270,905.23
  5. Step 5: Solve for x
    x = 209,599,270,905.23/442,387.44
  6. Step 6: Final answer
    x = 473,791.19

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