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Finding the Fourth Proportional to 483,832.06, 667,775.51 and 279,854.62

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Solution

The fourth proportional to 483,832.06, 667,775.51 and 279,854.62 is: 386,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,832.06 : 667,775.51 = 279,854.62 : x
  2. Step 2: Convert to fraction form
    483,832.06/667,775.51 = 279,854.62/x
  3. Step 3: Cross multiply
    483,832.06x = 667,775.51 × 279,854.62
  4. Step 4: Simplify right side
    483,832.06x = 186,880,061,596.36
  5. Step 5: Solve for x
    x = 186,880,061,596.36/483,832.06
  6. Step 6: Final answer
    x = 386,249.85

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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.