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Finding the Fourth Proportional to 265,660.80, 367,078.56 and 212,385.60

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Solution

The fourth proportional to 265,660.80, 367,078.56 and 212,385.60 is: 293,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,660.80 : 367,078.56 = 212,385.60 : x
  2. Step 2: Convert to fraction form
    265,660.80/367,078.56 = 212,385.60/x
  3. Step 3: Cross multiply
    265,660.80x = 367,078.56 × 212,385.60
  4. Step 4: Simplify right side
    265,660.80x = 77,962,200,212.74
  5. Step 5: Solve for x
    x = 77,962,200,212.74/265,660.80
  6. Step 6: Final answer
    x = 293,465.20

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