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Finding the Fourth Proportional to 406,136.73, 608,843.25 and 192,773.01

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Solution

The fourth proportional to 406,136.73, 608,843.25 and 192,773.01 is: 288,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,136.73 : 608,843.25 = 192,773.01 : x
  2. Step 2: Convert to fraction form
    406,136.73/608,843.25 = 192,773.01/x
  3. Step 3: Cross multiply
    406,136.73x = 608,843.25 × 192,773.01
  4. Step 4: Simplify right side
    406,136.73x = 117,368,545,920.68
  5. Step 5: Solve for x
    x = 117,368,545,920.68/406,136.73
  6. Step 6: Final answer
    x = 288,987.77

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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.