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Finding the Fourth Proportional to 306,659.52, 459,017.28 and 222,134.40

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Solution

The fourth proportional to 306,659.52, 459,017.28 and 222,134.40 is: 332,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,659.52 : 459,017.28 = 222,134.40 : x
  2. Step 2: Convert to fraction form
    306,659.52/459,017.28 = 222,134.40/x
  3. Step 3: Cross multiply
    306,659.52x = 459,017.28 × 222,134.40
  4. Step 4: Simplify right side
    306,659.52x = 101,963,528,082.43
  5. Step 5: Solve for x
    x = 101,963,528,082.43/306,659.52
  6. Step 6: Final answer
    x = 332,497.51

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