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Finding the Fourth Proportional to 264,872.40, 397,308.60 and 140,456.40

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Solution

The fourth proportional to 264,872.40, 397,308.60 and 140,456.40 is: 210,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,872.40 : 397,308.60 = 140,456.40 : x
  2. Step 2: Convert to fraction form
    264,872.40/397,308.60 = 140,456.40/x
  3. Step 3: Cross multiply
    264,872.40x = 397,308.60 × 140,456.40
  4. Step 4: Simplify right side
    264,872.40x = 55,804,535,645.04
  5. Step 5: Solve for x
    x = 55,804,535,645.04/264,872.40
  6. Step 6: Final answer
    x = 210,684.60

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