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Finding the Fourth Proportional to 585,220.20, 878,121.90 and 332,694.60

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Solution

The fourth proportional to 585,220.20, 878,121.90 and 332,694.60 is: 499,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,220.20 : 878,121.90 = 332,694.60 : x
  2. Step 2: Convert to fraction form
    585,220.20/878,121.90 = 332,694.60/x
  3. Step 3: Cross multiply
    585,220.20x = 878,121.90 × 332,694.60
  4. Step 4: Simplify right side
    585,220.20x = 292,146,414,271.74
  5. Step 5: Solve for x
    x = 292,146,414,271.74/585,220.20
  6. Step 6: Final answer
    x = 499,207.67

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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.