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Finding the Fourth Proportional to 458,229.64, 687,352.24 and 158,719.10

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Solution

The fourth proportional to 458,229.64, 687,352.24 and 158,719.10 is: 238,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,229.64 : 687,352.24 = 158,719.10 : x
  2. Step 2: Convert to fraction form
    458,229.64/687,352.24 = 158,719.10/x
  3. Step 3: Cross multiply
    458,229.64x = 687,352.24 × 158,719.10
  4. Step 4: Simplify right side
    458,229.64x = 109,095,928,915.78
  5. Step 5: Solve for x
    x = 109,095,928,915.78/458,229.64
  6. Step 6: Final answer
    x = 238,081.34

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