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Finding the Fourth Proportional to 269,456.67, 404,450.91 and 143,096.55

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Solution

The fourth proportional to 269,456.67, 404,450.91 and 143,096.55 is: 214,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,456.67 : 404,450.91 = 143,096.55 : x
  2. Step 2: Convert to fraction form
    269,456.67/404,450.91 = 143,096.55/x
  3. Step 3: Cross multiply
    269,456.67x = 404,450.91 × 143,096.55
  4. Step 4: Simplify right side
    269,456.67x = 57,875,529,865.36
  5. Step 5: Solve for x
    x = 57,875,529,865.36/269,456.67
  6. Step 6: Final answer
    x = 214,786.04

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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.