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Finding the Fourth Proportional to 323,764.44, 485,369.69 and 124,228.03

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Solution

The fourth proportional to 323,764.44, 485,369.69 and 124,228.03 is: 186,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,764.44 : 485,369.69 = 124,228.03 : x
  2. Step 2: Convert to fraction form
    323,764.44/485,369.69 = 124,228.03/x
  3. Step 3: Cross multiply
    323,764.44x = 485,369.69 × 124,228.03
  4. Step 4: Simplify right side
    323,764.44x = 60,296,517,983.56
  5. Step 5: Solve for x
    x = 60,296,517,983.56/323,764.44
  6. Step 6: Final answer
    x = 186,235.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.