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Finding the Fourth Proportional to 441,453.80, 662,186.70 and 125,910.68

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Solution

The fourth proportional to 441,453.80, 662,186.70 and 125,910.68 is: 188,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,453.80 : 662,186.70 = 125,910.68 : x
  2. Step 2: Convert to fraction form
    441,453.80/662,186.70 = 125,910.68/x
  3. Step 3: Cross multiply
    441,453.80x = 662,186.70 × 125,910.68
  4. Step 4: Simplify right side
    441,453.80x = 83,376,377,683.96
  5. Step 5: Solve for x
    x = 83,376,377,683.96/441,453.80
  6. Step 6: Final answer
    x = 188,867.73

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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.