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Finding the Fourth Proportional to 300,540.07, 414,745.29 and 173,223.87

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Solution

The fourth proportional to 300,540.07, 414,745.29 and 173,223.87 is: 239,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,540.07 : 414,745.29 = 173,223.87 : x
  2. Step 2: Convert to fraction form
    300,540.07/414,745.29 = 173,223.87/x
  3. Step 3: Cross multiply
    300,540.07x = 414,745.29 × 173,223.87
  4. Step 4: Simplify right side
    300,540.07x = 71,843,784,198.07
  5. Step 5: Solve for x
    x = 71,843,784,198.07/300,540.07
  6. Step 6: Final answer
    x = 239,048.94

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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.