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Finding the Fourth Proportional to 265,933.60, 398,362.80 and 165,786.40

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Solution

The fourth proportional to 265,933.60, 398,362.80 and 165,786.40 is: 248,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,933.60 : 398,362.80 = 165,786.40 : x
  2. Step 2: Convert to fraction form
    265,933.60/398,362.80 = 165,786.40/x
  3. Step 3: Cross multiply
    265,933.60x = 398,362.80 × 165,786.40
  4. Step 4: Simplify right side
    265,933.60x = 66,043,134,505.92
  5. Step 5: Solve for x
    x = 66,043,134,505.92/265,933.60
  6. Step 6: Final answer
    x = 248,344.45

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