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Finding the Fourth Proportional to 322,353.20, 444,745.56 and 193,265.12

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Solution

The fourth proportional to 322,353.20, 444,745.56 and 193,265.12 is: 266,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,353.20 : 444,745.56 = 193,265.12 : x
  2. Step 2: Convert to fraction form
    322,353.20/444,745.56 = 193,265.12/x
  3. Step 3: Cross multiply
    322,353.20x = 444,745.56 × 193,265.12
  4. Step 4: Simplify right side
    322,353.20x = 85,953,804,022.87
  5. Step 5: Solve for x
    x = 85,953,804,022.87/322,353.20
  6. Step 6: Final answer
    x = 266,644.80

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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.