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Finding the Fourth Proportional to 483,950, 667,773.24 and 279,998.48

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Solution

The fourth proportional to 483,950, 667,773.24 and 279,998.48 is: 386,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,950 : 667,773.24 = 279,998.48 : x
  2. Step 2: Convert to fraction form
    483,950/667,773.24 = 279,998.48/x
  3. Step 3: Cross multiply
    483,950x = 667,773.24 × 279,998.48
  4. Step 4: Simplify right side
    483,950x = 186,975,492,184.68
  5. Step 5: Solve for x
    x = 186,975,492,184.68/483,950
  6. Step 6: Final answer
    x = 386,352.91

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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.