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Finding the Fourth Proportional to 222,645.88, 307,297.68 and 204,712.48

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Solution

The fourth proportional to 222,645.88, 307,297.68 and 204,712.48 is: 282,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,645.88 : 307,297.68 = 204,712.48 : x
  2. Step 2: Convert to fraction form
    222,645.88/307,297.68 = 204,712.48/x
  3. Step 3: Cross multiply
    222,645.88x = 307,297.68 × 204,712.48
  4. Step 4: Simplify right side
    222,645.88x = 62,907,670,171.05
  5. Step 5: Solve for x
    x = 62,907,670,171.05/222,645.88
  6. Step 6: Final answer
    x = 282,545.85

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1.5x scale

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.