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Finding the Fourth Proportional to 298,020.44, 444,223.12 and 274,105.64

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Solution

The fourth proportional to 298,020.44, 444,223.12 and 274,105.64 is: 408,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,020.44 : 444,223.12 = 274,105.64 : x
  2. Step 2: Convert to fraction form
    298,020.44/444,223.12 = 274,105.64/x
  3. Step 3: Cross multiply
    298,020.44x = 444,223.12 × 274,105.64
  4. Step 4: Simplify right side
    298,020.44x = 121,764,062,610.40
  5. Step 5: Solve for x
    x = 121,764,062,610.40/298,020.44
  6. Step 6: Final answer
    x = 408,576.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.