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Finding the Fourth Proportional to 447,247.69, 617,201.81 and 246,043.69

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Solution

The fourth proportional to 447,247.69, 617,201.81 and 246,043.69 is: 339,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,247.69 : 617,201.81 = 246,043.69 : x
  2. Step 2: Convert to fraction form
    447,247.69/617,201.81 = 246,043.69/x
  3. Step 3: Cross multiply
    447,247.69x = 617,201.81 × 246,043.69
  4. Step 4: Simplify right side
    447,247.69x = 151,858,608,956.52
  5. Step 5: Solve for x
    x = 151,858,608,956.52/447,247.69
  6. Step 6: Final answer
    x = 339,540.29

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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.