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Finding the Fourth Proportional to 222,745.20, 333,826.20 and 197,667.60

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Solution

The fourth proportional to 222,745.20, 333,826.20 and 197,667.60 is: 296,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,745.20 : 333,826.20 = 197,667.60 : x
  2. Step 2: Convert to fraction form
    222,745.20/333,826.20 = 197,667.60/x
  3. Step 3: Cross multiply
    222,745.20x = 333,826.20 × 197,667.60
  4. Step 4: Simplify right side
    222,745.20x = 65,986,623,771.12
  5. Step 5: Solve for x
    x = 65,986,623,771.12/222,745.20
  6. Step 6: Final answer
    x = 296,242.63

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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.