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Finding the Fourth Proportional to 489,441.96, 734,007.38 and 332,677.80

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Solution

The fourth proportional to 489,441.96, 734,007.38 and 332,677.80 is: 498,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,441.96 : 734,007.38 = 332,677.80 : x
  2. Step 2: Convert to fraction form
    489,441.96/734,007.38 = 332,677.80/x
  3. Step 3: Cross multiply
    489,441.96x = 734,007.38 × 332,677.80
  4. Step 4: Simplify right side
    489,441.96x = 244,187,960,362.16
  5. Step 5: Solve for x
    x = 244,187,960,362.16/489,441.96
  6. Step 6: Final answer
    x = 498,910.96

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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.