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Finding the Fourth Proportional to 357,760.64, 493,721.52 and 196,621.40

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Solution

The fourth proportional to 357,760.64, 493,721.52 and 196,621.40 is: 271,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,760.64 : 493,721.52 = 196,621.40 : x
  2. Step 2: Convert to fraction form
    357,760.64/493,721.52 = 196,621.40/x
  3. Step 3: Cross multiply
    357,760.64x = 493,721.52 × 196,621.40
  4. Step 4: Simplify right side
    357,760.64x = 97,076,216,472.53
  5. Step 5: Solve for x
    x = 97,076,216,472.53/357,760.64
  6. Step 6: Final answer
    x = 271,344.04

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