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Finding the Fourth Proportional to 489,765.20, 734,647.80 and 174,232.40

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Solution

The fourth proportional to 489,765.20, 734,647.80 and 174,232.40 is: 261,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,765.20 : 734,647.80 = 174,232.40 : x
  2. Step 2: Convert to fraction form
    489,765.20/734,647.80 = 174,232.40/x
  3. Step 3: Cross multiply
    489,765.20x = 734,647.80 × 174,232.40
  4. Step 4: Simplify right side
    489,765.20x = 127,999,449,348.72
  5. Step 5: Solve for x
    x = 127,999,449,348.72/489,765.20
  6. Step 6: Final answer
    x = 261,348.60

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