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Finding the Fourth Proportional to 322,405.20, 483,996.60 and 180,363.60

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Solution

The fourth proportional to 322,405.20, 483,996.60 and 180,363.60 is: 270,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,405.20 : 483,996.60 = 180,363.60 : x
  2. Step 2: Convert to fraction form
    322,405.20/483,996.60 = 180,363.60/x
  3. Step 3: Cross multiply
    322,405.20x = 483,996.60 × 180,363.60
  4. Step 4: Simplify right side
    322,405.20x = 87,295,369,163.76
  5. Step 5: Solve for x
    x = 87,295,369,163.76/322,405.20
  6. Step 6: Final answer
    x = 270,762.91

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1.5x scale

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.