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Finding the Fourth Proportional to 298,760.33, 412,290.99 and 177,906.71

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Solution

The fourth proportional to 298,760.33, 412,290.99 and 177,906.71 is: 245,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,760.33 : 412,290.99 = 177,906.71 : x
  2. Step 2: Convert to fraction form
    298,760.33/412,290.99 = 177,906.71/x
  3. Step 3: Cross multiply
    298,760.33x = 412,290.99 × 177,906.71
  4. Step 4: Simplify right side
    298,760.33x = 73,349,333,593.54
  5. Step 5: Solve for x
    x = 73,349,333,593.54/298,760.33
  6. Step 6: Final answer
    x = 245,512.29

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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.