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Finding the Fourth Proportional to 299,382.20, 448,417.20 and 260,016.20

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Solution

The fourth proportional to 299,382.20, 448,417.20 and 260,016.20 is: 389,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,382.20 : 448,417.20 = 260,016.20 : x
  2. Step 2: Convert to fraction form
    299,382.20/448,417.20 = 260,016.20/x
  3. Step 3: Cross multiply
    299,382.20x = 448,417.20 × 260,016.20
  4. Step 4: Simplify right side
    299,382.20x = 116,595,736,358.64
  5. Step 5: Solve for x
    x = 116,595,736,358.64/299,382.20
  6. Step 6: Final answer
    x = 389,454.47

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