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Finding the Fourth Proportional to 447,626.26, 617,658.57 and 254,003.86

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Solution

The fourth proportional to 447,626.26, 617,658.57 and 254,003.86 is: 350,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,626.26 : 617,658.57 = 254,003.86 : x
  2. Step 2: Convert to fraction form
    447,626.26/617,658.57 = 254,003.86/x
  3. Step 3: Cross multiply
    447,626.26x = 617,658.57 × 254,003.86
  4. Step 4: Simplify right side
    447,626.26x = 156,887,660,942.08
  5. Step 5: Solve for x
    x = 156,887,660,942.08/447,626.26
  6. Step 6: Final answer
    x = 350,488.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.