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Finding the Fourth Proportional to 483,212.60, 724,818.90 and 262,028.60

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Solution

The fourth proportional to 483,212.60, 724,818.90 and 262,028.60 is: 393,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,212.60 : 724,818.90 = 262,028.60 : x
  2. Step 2: Convert to fraction form
    483,212.60/724,818.90 = 262,028.60/x
  3. Step 3: Cross multiply
    483,212.60x = 724,818.90 × 262,028.60
  4. Step 4: Simplify right side
    483,212.60x = 189,923,281,620.54
  5. Step 5: Solve for x
    x = 189,923,281,620.54/483,212.60
  6. Step 6: Final answer
    x = 393,042.90

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