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Finding the Fourth Proportional to 447,431.48, 617,455.53 and 246,227.48

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Solution

The fourth proportional to 447,431.48, 617,455.53 and 246,227.48 is: 339,793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,431.48 : 617,455.53 = 246,227.48 : x
  2. Step 2: Convert to fraction form
    447,431.48/617,455.53 = 246,227.48/x
  3. Step 3: Cross multiply
    447,431.48x = 617,455.53 × 246,227.48
  4. Step 4: Simplify right side
    447,431.48x = 152,034,519,163.96
  5. Step 5: Solve for x
    x = 152,034,519,163.96/447,431.48
  6. Step 6: Final answer
    x = 339,793.97

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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.