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Finding the Fourth Proportional to 668,997.11, 923,216.49 and 363,073.41

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Solution

The fourth proportional to 668,997.11, 923,216.49 and 363,073.41 is: 501,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,997.11 : 923,216.49 = 363,073.41 : x
  2. Step 2: Convert to fraction form
    668,997.11/923,216.49 = 363,073.41/x
  3. Step 3: Cross multiply
    668,997.11x = 923,216.49 × 363,073.41
  4. Step 4: Simplify right side
    668,997.11x = 335,195,359,192.53
  5. Step 5: Solve for x
    x = 335,195,359,192.53/668,997.11
  6. Step 6: Final answer
    x = 501,041.56

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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.