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Finding the Fourth Proportional to 447,951.56, 618,173.20 and 246,747.56

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Solution

The fourth proportional to 447,951.56, 618,173.20 and 246,747.56 is: 340,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,951.56 : 618,173.20 = 246,747.56 : x
  2. Step 2: Convert to fraction form
    447,951.56/618,173.20 = 246,747.56/x
  3. Step 3: Cross multiply
    447,951.56x = 618,173.20 × 246,747.56
  4. Step 4: Simplify right side
    447,951.56x = 152,532,728,757.39
  5. Step 5: Solve for x
    x = 152,532,728,757.39/447,951.56
  6. Step 6: Final answer
    x = 340,511.66

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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.