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Finding the Fourth Proportional to 411,908.40, 568,481.48 and 250,857.84

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Solution

The fourth proportional to 411,908.40, 568,481.48 and 250,857.84 is: 346,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,908.40 : 568,481.48 = 250,857.84 : x
  2. Step 2: Convert to fraction form
    411,908.40/568,481.48 = 250,857.84/x
  3. Step 3: Cross multiply
    411,908.40x = 568,481.48 × 250,857.84
  4. Step 4: Simplify right side
    411,908.40x = 142,608,036,152.80
  5. Step 5: Solve for x
    x = 142,608,036,152.80/411,908.40
  6. Step 6: Final answer
    x = 346,212.98

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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.