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Finding the Fourth Proportional to 490,615.70, 736,251.60 and 224,239.10

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Solution

The fourth proportional to 490,615.70, 736,251.60 and 224,239.10 is: 336,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,615.70 : 736,251.60 = 224,239.10 : x
  2. Step 2: Convert to fraction form
    490,615.70/736,251.60 = 224,239.10/x
  3. Step 3: Cross multiply
    490,615.70x = 736,251.60 × 224,239.10
  4. Step 4: Simplify right side
    490,615.70x = 165,096,396,157.56
  5. Step 5: Solve for x
    x = 165,096,396,157.56/490,615.70
  6. Step 6: Final answer
    x = 336,508.59

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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.