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Finding the Fourth Proportional to 350,357, 483,481.82 and 197,383.20

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Solution

The fourth proportional to 350,357, 483,481.82 and 197,383.20 is: 272,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,357 : 483,481.82 = 197,383.20 : x
  2. Step 2: Convert to fraction form
    350,357/483,481.82 = 197,383.20/x
  3. Step 3: Cross multiply
    350,357x = 483,481.82 × 197,383.20
  4. Step 4: Simplify right side
    350,357x = 95,431,188,773.42
  5. Step 5: Solve for x
    x = 95,431,188,773.42/350,357
  6. Step 6: Final answer
    x = 272,382.71

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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.