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Finding the Fourth Proportional to 302,906.82, 418,010.04 and 166,940.47

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Solution

The fourth proportional to 302,906.82, 418,010.04 and 166,940.47 is: 230,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,906.82 : 418,010.04 = 166,940.47 : x
  2. Step 2: Convert to fraction form
    302,906.82/418,010.04 = 166,940.47/x
  3. Step 3: Cross multiply
    302,906.82x = 418,010.04 × 166,940.47
  4. Step 4: Simplify right side
    302,906.82x = 69,782,792,542.32
  5. Step 5: Solve for x
    x = 69,782,792,542.32/302,906.82
  6. Step 6: Final answer
    x = 230,377.09

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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.