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Finding the Fourth Proportional to 484,163.88, 667,677.06 and 323,025.48

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Solution

The fourth proportional to 484,163.88, 667,677.06 and 323,025.48 is: 445,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,163.88 : 667,677.06 = 323,025.48 : x
  2. Step 2: Convert to fraction form
    484,163.88/667,677.06 = 323,025.48/x
  3. Step 3: Cross multiply
    484,163.88x = 667,677.06 × 323,025.48
  4. Step 4: Simplify right side
    484,163.88x = 215,676,702,791.49
  5. Step 5: Solve for x
    x = 215,676,702,791.49/484,163.88
  6. Step 6: Final answer
    x = 445,462.19

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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.