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Finding the Fourth Proportional to 647,614.92, 970,834.26 and 226,661.16

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Solution

The fourth proportional to 647,614.92, 970,834.26 and 226,661.16 is: 339,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,614.92 : 970,834.26 = 226,661.16 : x
  2. Step 2: Convert to fraction form
    647,614.92/970,834.26 = 226,661.16/x
  3. Step 3: Cross multiply
    647,614.92x = 970,834.26 × 226,661.16
  4. Step 4: Simplify right side
    647,614.92x = 220,050,419,539.34
  5. Step 5: Solve for x
    x = 220,050,419,539.34/647,614.92
  6. Step 6: Final answer
    x = 339,785.90

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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.