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Finding the Fourth Proportional to 222,679.20, 333,727.20 and 197,601.60

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Solution

The fourth proportional to 222,679.20, 333,727.20 and 197,601.60 is: 296,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,679.20 : 333,727.20 = 197,601.60 : x
  2. Step 2: Convert to fraction form
    222,679.20/333,727.20 = 197,601.60/x
  3. Step 3: Cross multiply
    222,679.20x = 333,727.20 × 197,601.60
  4. Step 4: Simplify right side
    222,679.20x = 65,945,028,683.52
  5. Step 5: Solve for x
    x = 65,945,028,683.52/222,679.20
  6. Step 6: Final answer
    x = 296,143.64

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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.