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Finding the Fourth Proportional to 458,366.90, 687,385.65 and 158,766.80

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Solution

The fourth proportional to 458,366.90, 687,385.65 and 158,766.80 is: 238,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,366.90 : 687,385.65 = 158,766.80 : x
  2. Step 2: Convert to fraction form
    458,366.90/687,385.65 = 158,766.80/x
  3. Step 3: Cross multiply
    458,366.90x = 687,385.65 × 158,766.80
  4. Step 4: Simplify right side
    458,366.90x = 109,134,020,016.42
  5. Step 5: Solve for x
    x = 109,134,020,016.42/458,366.90
  6. Step 6: Final answer
    x = 238,093.15

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