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Finding the Fourth Proportional to 489,942.86, 735,019.34 and 170,104.84

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Solution

The fourth proportional to 489,942.86, 735,019.34 and 170,104.84 is: 255,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,942.86 : 735,019.34 = 170,104.84 : x
  2. Step 2: Convert to fraction form
    489,942.86/735,019.34 = 170,104.84/x
  3. Step 3: Cross multiply
    489,942.86x = 735,019.34 × 170,104.84
  4. Step 4: Simplify right side
    489,942.86x = 125,030,347,227.61
  5. Step 5: Solve for x
    x = 125,030,347,227.61/489,942.86
  6. Step 6: Final answer
    x = 255,193.73

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