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Finding the Fourth Proportional to 669,876, 1,003,566.06 and 332,532.60

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Solution

The fourth proportional to 669,876, 1,003,566.06 and 332,532.60 is: 498,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,876 : 1,003,566.06 = 332,532.60 : x
  2. Step 2: Convert to fraction form
    669,876/1,003,566.06 = 332,532.60/x
  3. Step 3: Cross multiply
    669,876x = 1,003,566.06 × 332,532.60
  4. Step 4: Simplify right side
    669,876x = 333,718,431,203.56
  5. Step 5: Solve for x
    x = 333,718,431,203.56/669,876
  6. Step 6: Final answer
    x = 498,179.41

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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.