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Finding the Fourth Proportional to 336,338.20, 504,256.20 and 203,190.40

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Solution

The fourth proportional to 336,338.20, 504,256.20 and 203,190.40 is: 304,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,338.20 : 504,256.20 = 203,190.40 : x
  2. Step 2: Convert to fraction form
    336,338.20/504,256.20 = 203,190.40/x
  3. Step 3: Cross multiply
    336,338.20x = 504,256.20 × 203,190.40
  4. Step 4: Simplify right side
    336,338.20x = 102,460,018,980.48
  5. Step 5: Solve for x
    x = 102,460,018,980.48/336,338.20
  6. Step 6: Final answer
    x = 304,633.90

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