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Finding the Fourth Proportional to 451,329, 622,834.02 and 250,137.96

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Solution

The fourth proportional to 451,329, 622,834.02 and 250,137.96 is: 345,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,329 : 622,834.02 = 250,137.96 : x
  2. Step 2: Convert to fraction form
    451,329/622,834.02 = 250,137.96/x
  3. Step 3: Cross multiply
    451,329x = 622,834.02 × 250,137.96
  4. Step 4: Simplify right side
    451,329x = 155,794,431,181.40
  5. Step 5: Solve for x
    x = 155,794,431,181.40/451,329
  6. Step 6: Final answer
    x = 345,190.38

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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.