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Finding the Fourth Proportional to 439,483.20, 659,246.40 and 229,531.20

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Solution

The fourth proportional to 439,483.20, 659,246.40 and 229,531.20 is: 344,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,483.20 : 659,246.40 = 229,531.20 : x
  2. Step 2: Convert to fraction form
    439,483.20/659,246.40 = 229,531.20/x
  3. Step 3: Cross multiply
    439,483.20x = 659,246.40 × 229,531.20
  4. Step 4: Simplify right side
    439,483.20x = 151,317,617,287.68
  5. Step 5: Solve for x
    x = 151,317,617,287.68/439,483.20
  6. Step 6: Final answer
    x = 344,308.08

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