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Finding the Fourth Proportional to 484,408.28, 726,616.50 and 168,864.60

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Solution

The fourth proportional to 484,408.28, 726,616.50 and 168,864.60 is: 253,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,408.28 : 726,616.50 = 168,864.60 : x
  2. Step 2: Convert to fraction form
    484,408.28/726,616.50 = 168,864.60/x
  3. Step 3: Cross multiply
    484,408.28x = 726,616.50 × 168,864.60
  4. Step 4: Simplify right side
    484,408.28x = 122,699,804,625.90
  5. Step 5: Solve for x
    x = 122,699,804,625.90/484,408.28
  6. Step 6: Final answer
    x = 253,298.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.