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Finding the Fourth Proportional to 343,905.40, 515,858.10 and 325,534.60

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Solution

The fourth proportional to 343,905.40, 515,858.10 and 325,534.60 is: 488,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,905.40 : 515,858.10 = 325,534.60 : x
  2. Step 2: Convert to fraction form
    343,905.40/515,858.10 = 325,534.60/x
  3. Step 3: Cross multiply
    343,905.40x = 515,858.10 × 325,534.60
  4. Step 4: Simplify right side
    343,905.40x = 167,929,660,240.26
  5. Step 5: Solve for x
    x = 167,929,660,240.26/343,905.40
  6. Step 6: Final answer
    x = 488,301.90

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