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Finding the Fourth Proportional to 501,990.09, 692,546.00 and 320,654.99

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Solution

The fourth proportional to 501,990.09, 692,546.00 and 320,654.99 is: 442,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,990.09 : 692,546.00 = 320,654.99 : x
  2. Step 2: Convert to fraction form
    501,990.09/692,546.00 = 320,654.99/x
  3. Step 3: Cross multiply
    501,990.09x = 692,546.00 × 320,654.99
  4. Step 4: Simplify right side
    501,990.09x = 222,068,325,638.54
  5. Step 5: Solve for x
    x = 222,068,325,638.54/501,990.09
  6. Step 6: Final answer
    x = 442,375.92

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