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Finding the Fourth Proportional to 322,601.37, 445,214.83 and 193,544.70

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Solution

The fourth proportional to 322,601.37, 445,214.83 and 193,544.70 is: 267,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,601.37 : 445,214.83 = 193,544.70 : x
  2. Step 2: Convert to fraction form
    322,601.37/445,214.83 = 193,544.70/x
  3. Step 3: Cross multiply
    322,601.37x = 445,214.83 × 193,544.70
  4. Step 4: Simplify right side
    322,601.37x = 86,168,972,062.87
  5. Step 5: Solve for x
    x = 86,168,972,062.87/322,601.37
  6. Step 6: Final answer
    x = 267,106.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.