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Finding the Fourth Proportional to 325,650.90, 449,617.56 and 203,329.56

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Solution

The fourth proportional to 325,650.90, 449,617.56 and 203,329.56 is: 280,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,650.90 : 449,617.56 = 203,329.56 : x
  2. Step 2: Convert to fraction form
    325,650.90/449,617.56 = 203,329.56/x
  3. Step 3: Cross multiply
    325,650.90x = 449,617.56 × 203,329.56
  4. Step 4: Simplify right side
    325,650.90x = 91,420,540,643.07
  5. Step 5: Solve for x
    x = 91,420,540,643.07/325,650.90
  6. Step 6: Final answer
    x = 280,731.73

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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.