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Finding the Fourth Proportional to 290,828.80, 436,243.20 and 244,518.40

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Solution

The fourth proportional to 290,828.80, 436,243.20 and 244,518.40 is: 366,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,828.80 : 436,243.20 = 244,518.40 : x
  2. Step 2: Convert to fraction form
    290,828.80/436,243.20 = 244,518.40/x
  3. Step 3: Cross multiply
    290,828.80x = 436,243.20 × 244,518.40
  4. Step 4: Simplify right side
    290,828.80x = 106,669,489,274.88
  5. Step 5: Solve for x
    x = 106,669,489,274.88/290,828.80
  6. Step 6: Final answer
    x = 366,777.60

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