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Finding the Fourth Proportional to 590,512.80, 885,769.20 and 216,487.20

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Solution

The fourth proportional to 590,512.80, 885,769.20 and 216,487.20 is: 324,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,512.80 : 885,769.20 = 216,487.20 : x
  2. Step 2: Convert to fraction form
    590,512.80/885,769.20 = 216,487.20/x
  3. Step 3: Cross multiply
    590,512.80x = 885,769.20 × 216,487.20
  4. Step 4: Simplify right side
    590,512.80x = 191,757,693,954.24
  5. Step 5: Solve for x
    x = 191,757,693,954.24/590,512.80
  6. Step 6: Final answer
    x = 324,730.80

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