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Finding the Fourth Proportional to 322,908.80, 484,363.20 and 322,908.80

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Solution

The fourth proportional to 322,908.80, 484,363.20 and 322,908.80 is: 484,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,908.80 : 484,363.20 = 322,908.80 : x
  2. Step 2: Convert to fraction form
    322,908.80/484,363.20 = 322,908.80/x
  3. Step 3: Cross multiply
    322,908.80x = 484,363.20 × 322,908.80
  4. Step 4: Simplify right side
    322,908.80x = 156,405,139,676.16
  5. Step 5: Solve for x
    x = 156,405,139,676.16/322,908.80
  6. Step 6: Final answer
    x = 484,363.20

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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.