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Finding the Fourth Proportional to 225,353.69, 337,544.55 and 212,104.55

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Solution

The fourth proportional to 225,353.69, 337,544.55 and 212,104.55 is: 317,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,353.69 : 337,544.55 = 212,104.55 : x
  2. Step 2: Convert to fraction form
    225,353.69/337,544.55 = 212,104.55/x
  3. Step 3: Cross multiply
    225,353.69x = 337,544.55 × 212,104.55
  4. Step 4: Simplify right side
    225,353.69x = 71,594,735,726.56
  5. Step 5: Solve for x
    x = 71,594,735,726.56/225,353.69
  6. Step 6: Final answer
    x = 317,699.42

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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.