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Finding the Fourth Proportional to 484,408.22, 726,616.38 and 168,864.62

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Solution

The fourth proportional to 484,408.22, 726,616.38 and 168,864.62 is: 253,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,408.22 : 726,616.38 = 168,864.62 : x
  2. Step 2: Convert to fraction form
    484,408.22/726,616.38 = 168,864.62/x
  3. Step 3: Cross multiply
    484,408.22x = 726,616.38 × 168,864.62
  4. Step 4: Simplify right side
    484,408.22x = 122,699,798,894.48
  5. Step 5: Solve for x
    x = 122,699,798,894.48/484,408.22
  6. Step 6: Final answer
    x = 253,298.34

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Why These Related Problems?

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