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Finding the Fourth Proportional to 662,291.20, 993,847.20 and 346,974.40

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Solution

The fourth proportional to 662,291.20, 993,847.20 and 346,974.40 is: 520,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,291.20 : 993,847.20 = 346,974.40 : x
  2. Step 2: Convert to fraction form
    662,291.20/993,847.20 = 346,974.40/x
  3. Step 3: Cross multiply
    662,291.20x = 993,847.20 × 346,974.40
  4. Step 4: Simplify right side
    662,291.20x = 344,839,535,911.68
  5. Step 5: Solve for x
    x = 344,839,535,911.68/662,291.20
  6. Step 6: Final answer
    x = 520,676.61

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