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Finding the Fourth Proportional to 490,671.24, 736,847.61 and 266,469.57

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Solution

The fourth proportional to 490,671.24, 736,847.61 and 266,469.57 is: 400,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,671.24 : 736,847.61 = 266,469.57 : x
  2. Step 2: Convert to fraction form
    490,671.24/736,847.61 = 266,469.57/x
  3. Step 3: Cross multiply
    490,671.24x = 736,847.61 × 266,469.57
  4. Step 4: Simplify right side
    490,671.24x = 196,347,467,614.80
  5. Step 5: Solve for x
    x = 196,347,467,614.80/490,671.24
  6. Step 6: Final answer
    x = 400,160.94

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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.