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Finding the Fourth Proportional to 447,468.24, 617,366.84 and 253,843.82

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Solution

The fourth proportional to 447,468.24, 617,366.84 and 253,843.82 is: 350,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,468.24 : 617,366.84 = 253,843.82 : x
  2. Step 2: Convert to fraction form
    447,468.24/617,366.84 = 253,843.82/x
  3. Step 3: Cross multiply
    447,468.24x = 617,366.84 × 253,843.82
  4. Step 4: Simplify right side
    447,468.24x = 156,714,752,650.88
  5. Step 5: Solve for x
    x = 156,714,752,650.88/447,468.24
  6. Step 6: Final answer
    x = 350,225.42

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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.