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Finding the Fourth Proportional to 606,404.80, 910,125.60 and 269,963.20

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Solution

The fourth proportional to 606,404.80, 910,125.60 and 269,963.20 is: 405,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,404.80 : 910,125.60 = 269,963.20 : x
  2. Step 2: Convert to fraction form
    606,404.80/910,125.60 = 269,963.20/x
  3. Step 3: Cross multiply
    606,404.80x = 910,125.60 × 269,963.20
  4. Step 4: Simplify right side
    606,404.80x = 245,700,419,377.92
  5. Step 5: Solve for x
    x = 245,700,419,377.92/606,404.80
  6. Step 6: Final answer
    x = 405,175.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.