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Finding the Fourth Proportional to 483,832.60, 667,771.48 and 280,007.62

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Solution

The fourth proportional to 483,832.60, 667,771.48 and 280,007.62 is: 386,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,832.60 : 667,771.48 = 280,007.62 : x
  2. Step 2: Convert to fraction form
    483,832.60/667,771.48 = 280,007.62/x
  3. Step 3: Cross multiply
    483,832.60x = 667,771.48 × 280,007.62
  4. Step 4: Simplify right side
    483,832.60x = 186,981,102,818.68
  5. Step 5: Solve for x
    x = 186,981,102,818.68/483,832.60
  6. Step 6: Final answer
    x = 386,458.26

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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.