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Finding the Fourth Proportional to 329,662.28, 454,931.16 and 186,421.88

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Solution

The fourth proportional to 329,662.28, 454,931.16 and 186,421.88 is: 257,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,662.28 : 454,931.16 = 186,421.88 : x
  2. Step 2: Convert to fraction form
    329,662.28/454,931.16 = 186,421.88/x
  3. Step 3: Cross multiply
    329,662.28x = 454,931.16 × 186,421.88
  4. Step 4: Simplify right side
    329,662.28x = 84,809,122,117.78
  5. Step 5: Solve for x
    x = 84,809,122,117.78/329,662.28
  6. Step 6: Final answer
    x = 257,260.62

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