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Finding the Fourth Proportional to 270,589.89, 373,108.46 and 202,388.30

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Solution

The fourth proportional to 270,589.89, 373,108.46 and 202,388.30 is: 279,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,589.89 : 373,108.46 = 202,388.30 : x
  2. Step 2: Convert to fraction form
    270,589.89/373,108.46 = 202,388.30/x
  3. Step 3: Cross multiply
    270,589.89x = 373,108.46 × 202,388.30
  4. Step 4: Simplify right side
    270,589.89x = 75,512,786,935.02
  5. Step 5: Solve for x
    x = 75,512,786,935.02/270,589.89
  6. Step 6: Final answer
    x = 279,067.29

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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.