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Finding the Fourth Proportional to 447,949.56, 618,170.43 and 246,745.56

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Solution

The fourth proportional to 447,949.56, 618,170.43 and 246,745.56 is: 340,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,949.56 : 618,170.43 = 246,745.56 : x
  2. Step 2: Convert to fraction form
    447,949.56/618,170.43 = 246,745.56/x
  3. Step 3: Cross multiply
    447,949.56x = 618,170.43 × 246,745.56
  4. Step 4: Simplify right side
    447,949.56x = 152,530,808,925.79
  5. Step 5: Solve for x
    x = 152,530,808,925.79/447,949.56
  6. Step 6: Final answer
    x = 340,508.89

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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.