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Finding the Fourth Proportional to 404,578.73, 606,800.07 and 148,358.33

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Solution

The fourth proportional to 404,578.73, 606,800.07 and 148,358.33 is: 222,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,578.73 : 606,800.07 = 148,358.33 : x
  2. Step 2: Convert to fraction form
    404,578.73/606,800.07 = 148,358.33/x
  3. Step 3: Cross multiply
    404,578.73x = 606,800.07 × 148,358.33
  4. Step 4: Simplify right side
    404,578.73x = 90,023,845,029.08
  5. Step 5: Solve for x
    x = 90,023,845,029.08/404,578.73
  6. Step 6: Final answer
    x = 222,512.55

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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.