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Finding the Fourth Proportional to 264,643.20, 397,402.20 and 176,288.40

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Solution

The fourth proportional to 264,643.20, 397,402.20 and 176,288.40 is: 264,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,643.20 : 397,402.20 = 176,288.40 : x
  2. Step 2: Convert to fraction form
    264,643.20/397,402.20 = 176,288.40/x
  3. Step 3: Cross multiply
    264,643.20x = 397,402.20 × 176,288.40
  4. Step 4: Simplify right side
    264,643.20x = 70,057,397,994.48
  5. Step 5: Solve for x
    x = 70,057,397,994.48/264,643.20
  6. Step 6: Final answer
    x = 264,723.97

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