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Finding the Fourth Proportional to 662,408.40, 993,612.60 and 163,772.40

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Solution

The fourth proportional to 662,408.40, 993,612.60 and 163,772.40 is: 245,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,408.40 : 993,612.60 = 163,772.40 : x
  2. Step 2: Convert to fraction form
    662,408.40/993,612.60 = 163,772.40/x
  3. Step 3: Cross multiply
    662,408.40x = 993,612.60 × 163,772.40
  4. Step 4: Simplify right side
    662,408.40x = 162,726,320,172.24
  5. Step 5: Solve for x
    x = 162,726,320,172.24/662,408.40
  6. Step 6: Final answer
    x = 245,658.60

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