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Finding the Fourth Proportional to 325,615.20, 488,422.80 and 235,802.40

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Solution

The fourth proportional to 325,615.20, 488,422.80 and 235,802.40 is: 353,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,615.20 : 488,422.80 = 235,802.40 : x
  2. Step 2: Convert to fraction form
    325,615.20/488,422.80 = 235,802.40/x
  3. Step 3: Cross multiply
    325,615.20x = 488,422.80 × 235,802.40
  4. Step 4: Simplify right side
    325,615.20x = 115,171,268,454.72
  5. Step 5: Solve for x
    x = 115,171,268,454.72/325,615.20
  6. Step 6: Final answer
    x = 353,703.60

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