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Finding the Fourth Proportional to 376,596.54, 519,728.67 and 206,832.42

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Solution

The fourth proportional to 376,596.54, 519,728.67 and 206,832.42 is: 285,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,596.54 : 519,728.67 = 206,832.42 : x
  2. Step 2: Convert to fraction form
    376,596.54/519,728.67 = 206,832.42/x
  3. Step 3: Cross multiply
    376,596.54x = 519,728.67 × 206,832.42
  4. Step 4: Simplify right side
    376,596.54x = 107,496,738,559.48
  5. Step 5: Solve for x
    x = 107,496,738,559.48/376,596.54
  6. Step 6: Final answer
    x = 285,442.71

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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.