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Finding the Fourth Proportional to 323,362.92, 484,401.42 and 252,912.36

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Solution

The fourth proportional to 323,362.92, 484,401.42 and 252,912.36 is: 378,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,362.92 : 484,401.42 = 252,912.36 : x
  2. Step 2: Convert to fraction form
    323,362.92/484,401.42 = 252,912.36/x
  3. Step 3: Cross multiply
    323,362.92x = 484,401.42 × 252,912.36
  4. Step 4: Simplify right side
    323,362.92x = 122,511,106,319.55
  5. Step 5: Solve for x
    x = 122,511,106,319.55/323,362.92
  6. Step 6: Final answer
    x = 378,865.66

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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.