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Finding the Fourth Proportional to 472,825.20, 709,698.60 and 236,434.80

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Solution

The fourth proportional to 472,825.20, 709,698.60 and 236,434.80 is: 354,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,825.20 : 709,698.60 = 236,434.80 : x
  2. Step 2: Convert to fraction form
    472,825.20/709,698.60 = 236,434.80/x
  3. Step 3: Cross multiply
    472,825.20x = 709,698.60 × 236,434.80
  4. Step 4: Simplify right side
    472,825.20x = 167,797,446,551.28
  5. Step 5: Solve for x
    x = 167,797,446,551.28/472,825.20
  6. Step 6: Final answer
    x = 354,882.62

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