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Finding the Fourth Proportional to 401,062.80, 601,594.20 and 311,833.20

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Solution

The fourth proportional to 401,062.80, 601,594.20 and 311,833.20 is: 467,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,062.80 : 601,594.20 = 311,833.20 : x
  2. Step 2: Convert to fraction form
    401,062.80/601,594.20 = 311,833.20/x
  3. Step 3: Cross multiply
    401,062.80x = 601,594.20 × 311,833.20
  4. Step 4: Simplify right side
    401,062.80x = 187,597,044,487.44
  5. Step 5: Solve for x
    x = 187,597,044,487.44/401,062.80
  6. Step 6: Final answer
    x = 467,749.80

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