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Finding the Fourth Proportional to 447,625.26, 617,657.19 and 254,002.86

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Solution

The fourth proportional to 447,625.26, 617,657.19 and 254,002.86 is: 350,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,625.26 : 617,657.19 = 254,002.86 : x
  2. Step 2: Convert to fraction form
    447,625.26/617,657.19 = 254,002.86/x
  3. Step 3: Cross multiply
    447,625.26x = 617,657.19 × 254,002.86
  4. Step 4: Simplify right side
    447,625.26x = 156,886,692,759.56
  5. Step 5: Solve for x
    x = 156,886,692,759.56/447,625.26
  6. Step 6: Final answer
    x = 350,486.68

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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.