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Finding the Fourth Proportional to 447,997.70, 618,236.55 and 246,793.70

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Solution

The fourth proportional to 447,997.70, 618,236.55 and 246,793.70 is: 340,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,997.70 : 618,236.55 = 246,793.70 : x
  2. Step 2: Convert to fraction form
    447,997.70/618,236.55 = 246,793.70/x
  3. Step 3: Cross multiply
    447,997.70x = 618,236.55 × 246,793.70
  4. Step 4: Simplify right side
    447,997.70x = 152,576,885,649.74
  5. Step 5: Solve for x
    x = 152,576,885,649.74/447,997.70
  6. Step 6: Final answer
    x = 340,575.15

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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.