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Finding the Fourth Proportional to 288,844.20, 433,266.30 and 189,311.40

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Solution

The fourth proportional to 288,844.20, 433,266.30 and 189,311.40 is: 283,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,844.20 : 433,266.30 = 189,311.40 : x
  2. Step 2: Convert to fraction form
    288,844.20/433,266.30 = 189,311.40/x
  3. Step 3: Cross multiply
    288,844.20x = 433,266.30 × 189,311.40
  4. Step 4: Simplify right side
    288,844.20x = 82,022,249,825.82
  5. Step 5: Solve for x
    x = 82,022,249,825.82/288,844.20
  6. Step 6: Final answer
    x = 283,967.10

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