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Finding the Fourth Proportional to 323,849.70, 486,063.42 and 322,644.03

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Solution

The fourth proportional to 323,849.70, 486,063.42 and 322,644.03 is: 484,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,849.70 : 486,063.42 = 322,644.03 : x
  2. Step 2: Convert to fraction form
    323,849.70/486,063.42 = 322,644.03/x
  3. Step 3: Cross multiply
    323,849.70x = 486,063.42 × 322,644.03
  4. Step 4: Simplify right side
    323,849.70x = 156,825,460,664.38
  5. Step 5: Solve for x
    x = 156,825,460,664.38/323,849.70
  6. Step 6: Final answer
    x = 484,253.84

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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.