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Finding the Fourth Proportional to 432,928.60, 649,495.30 and 137,440.60

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Solution

The fourth proportional to 432,928.60, 649,495.30 and 137,440.60 is: 206,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,928.60 : 649,495.30 = 137,440.60 : x
  2. Step 2: Convert to fraction form
    432,928.60/649,495.30 = 137,440.60/x
  3. Step 3: Cross multiply
    432,928.60x = 649,495.30 × 137,440.60
  4. Step 4: Simplify right side
    432,928.60x = 89,267,023,729.18
  5. Step 5: Solve for x
    x = 89,267,023,729.18/432,928.60
  6. Step 6: Final answer
    x = 206,193.41

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