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Finding the Fourth Proportional to 235,538.54, 352,491.33 and 225,740.78

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Solution

The fourth proportional to 235,538.54, 352,491.33 and 225,740.78 is: 337,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,538.54 : 352,491.33 = 225,740.78 : x
  2. Step 2: Convert to fraction form
    235,538.54/352,491.33 = 225,740.78/x
  3. Step 3: Cross multiply
    235,538.54x = 352,491.33 × 225,740.78
  4. Step 4: Simplify right side
    235,538.54x = 79,571,667,777.44
  5. Step 5: Solve for x
    x = 79,571,667,777.44/235,538.54
  6. Step 6: Final answer
    x = 337,828.65

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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.