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Finding the Fourth Proportional to 265,786.80, 398,680.20 and 245,511.60

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Solution

The fourth proportional to 265,786.80, 398,680.20 and 245,511.60 is: 368,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,786.80 : 398,680.20 = 245,511.60 : x
  2. Step 2: Convert to fraction form
    265,786.80/398,680.20 = 245,511.60/x
  3. Step 3: Cross multiply
    265,786.80x = 398,680.20 × 245,511.60
  4. Step 4: Simplify right side
    265,786.80x = 97,880,613,790.32
  5. Step 5: Solve for x
    x = 97,880,613,790.32/265,786.80
  6. Step 6: Final answer
    x = 368,267.40

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