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Finding the Fourth Proportional to 400,758.09, 553,097.34 and 230,993.43

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Solution

The fourth proportional to 400,758.09, 553,097.34 and 230,993.43 is: 318,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,758.09 : 553,097.34 = 230,993.43 : x
  2. Step 2: Convert to fraction form
    400,758.09/553,097.34 = 230,993.43/x
  3. Step 3: Cross multiply
    400,758.09x = 553,097.34 × 230,993.43
  4. Step 4: Simplify right side
    400,758.09x = 127,761,851,690.48
  5. Step 5: Solve for x
    x = 127,761,851,690.48/400,758.09
  6. Step 6: Final answer
    x = 318,800.43

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