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Finding the Fourth Proportional to 281,886.40, 423,866.40 and 236,267.20

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Solution

The fourth proportional to 281,886.40, 423,866.40 and 236,267.20 is: 355,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,886.40 : 423,866.40 = 236,267.20 : x
  2. Step 2: Convert to fraction form
    281,886.40/423,866.40 = 236,267.20/x
  3. Step 3: Cross multiply
    281,886.40x = 423,866.40 × 236,267.20
  4. Step 4: Simplify right side
    281,886.40x = 100,145,727,502.08
  5. Step 5: Solve for x
    x = 100,145,727,502.08/281,886.40
  6. Step 6: Final answer
    x = 355,269.81

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