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Finding the Fourth Proportional to 299,716.20, 413,667.41 and 178,796.97

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Solution

The fourth proportional to 299,716.20, 413,667.41 and 178,796.97 is: 246,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,716.20 : 413,667.41 = 178,796.97 : x
  2. Step 2: Convert to fraction form
    299,716.20/413,667.41 = 178,796.97/x
  3. Step 3: Cross multiply
    299,716.20x = 413,667.41 × 178,796.97
  4. Step 4: Simplify right side
    299,716.20x = 73,962,478,601.76
  5. Step 5: Solve for x
    x = 73,962,478,601.76/299,716.20
  6. Step 6: Final answer
    x = 246,775.04

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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.