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Finding the Fourth Proportional to 404,292.75, 606,468.29 and 154,974.75

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Solution

The fourth proportional to 404,292.75, 606,468.29 and 154,974.75 is: 232,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,292.75 : 606,468.29 = 154,974.75 : x
  2. Step 2: Convert to fraction form
    404,292.75/606,468.29 = 154,974.75/x
  3. Step 3: Cross multiply
    404,292.75x = 606,468.29 × 154,974.75
  4. Step 4: Simplify right side
    404,292.75x = 93,987,270,850.80
  5. Step 5: Solve for x
    x = 93,987,270,850.80/404,292.75
  6. Step 6: Final answer
    x = 232,473.30

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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.