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Finding the Fourth Proportional to 358,143.12, 493,862.27 and 267,353.46

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Solution

The fourth proportional to 358,143.12, 493,862.27 and 267,353.46 is: 368,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,143.12 : 493,862.27 = 267,353.46 : x
  2. Step 2: Convert to fraction form
    358,143.12/493,862.27 = 267,353.46/x
  3. Step 3: Cross multiply
    358,143.12x = 493,862.27 × 267,353.46
  4. Step 4: Simplify right side
    358,143.12x = 132,035,785,311.19
  5. Step 5: Solve for x
    x = 132,035,785,311.19/358,143.12
  6. Step 6: Final answer
    x = 368,667.66

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