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Finding the Fourth Proportional to 326,169.75, 489,586.32 and 224,974.83

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Solution

The fourth proportional to 326,169.75, 489,586.32 and 224,974.83 is: 337,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,169.75 : 489,586.32 = 224,974.83 : x
  2. Step 2: Convert to fraction form
    326,169.75/489,586.32 = 224,974.83/x
  3. Step 3: Cross multiply
    326,169.75x = 489,586.32 × 224,974.83
  4. Step 4: Simplify right side
    326,169.75x = 110,144,599,112.33
  5. Step 5: Solve for x
    x = 110,144,599,112.33/326,169.75
  6. Step 6: Final answer
    x = 337,691.03

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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.