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Finding the Fourth Proportional to 226,076.40, 338,531.40 and 179,420.40

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Solution

The fourth proportional to 226,076.40, 338,531.40 and 179,420.40 is: 268,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,076.40 : 338,531.40 = 179,420.40 : x
  2. Step 2: Convert to fraction form
    226,076.40/338,531.40 = 179,420.40/x
  3. Step 3: Cross multiply
    226,076.40x = 338,531.40 × 179,420.40
  4. Step 4: Simplify right side
    226,076.40x = 60,739,439,200.56
  5. Step 5: Solve for x
    x = 60,739,439,200.56/226,076.40
  6. Step 6: Final answer
    x = 268,667.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.