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Finding the Fourth Proportional to 322,409.20, 484,002.60 and 180,367.60

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Solution

The fourth proportional to 322,409.20, 484,002.60 and 180,367.60 is: 270,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,409.20 : 484,002.60 = 180,367.60 : x
  2. Step 2: Convert to fraction form
    322,409.20/484,002.60 = 180,367.60/x
  3. Step 3: Cross multiply
    322,409.20x = 484,002.60 × 180,367.60
  4. Step 4: Simplify right side
    322,409.20x = 87,298,387,355.76
  5. Step 5: Solve for x
    x = 87,298,387,355.76/322,409.20
  6. Step 6: Final answer
    x = 270,768.91

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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.