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Finding the Fourth Proportional to 447,949.20, 618,169.92 and 246,745.20

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Solution

The fourth proportional to 447,949.20, 618,169.92 and 246,745.20 is: 340,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,949.20 : 618,169.92 = 246,745.20 : x
  2. Step 2: Convert to fraction form
    447,949.20/618,169.92 = 246,745.20/x
  3. Step 3: Cross multiply
    447,949.20x = 618,169.92 × 246,745.20
  4. Step 4: Simplify right side
    447,949.20x = 152,530,460,544.38
  5. Step 5: Solve for x
    x = 152,530,460,544.38/447,949.20
  6. Step 6: Final answer
    x = 340,508.39

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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.