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Finding the Fourth Proportional to 459,469.26, 634,067.94 and 255,515.73

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Solution

The fourth proportional to 459,469.26, 634,067.94 and 255,515.73 is: 352,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,469.26 : 634,067.94 = 255,515.73 : x
  2. Step 2: Convert to fraction form
    459,469.26/634,067.94 = 255,515.73/x
  3. Step 3: Cross multiply
    459,469.26x = 634,067.94 × 255,515.73
  4. Step 4: Simplify right side
    459,469.26x = 162,014,332,558.70
  5. Step 5: Solve for x
    x = 162,014,332,558.70/459,469.26
  6. Step 6: Final answer
    x = 352,611.91

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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.