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Finding the Fourth Proportional to 299,226.72, 412,986.29 and 178,375.73

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Solution

The fourth proportional to 299,226.72, 412,986.29 and 178,375.73 is: 246,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,226.72 : 412,986.29 = 178,375.73 : x
  2. Step 2: Convert to fraction form
    299,226.72/412,986.29 = 178,375.73/x
  3. Step 3: Cross multiply
    299,226.72x = 412,986.29 × 178,375.73
  4. Step 4: Simplify right side
    299,226.72x = 73,666,730,958.74
  5. Step 5: Solve for x
    x = 73,666,730,958.74/299,226.72
  6. Step 6: Final answer
    x = 246,190.35

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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.