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Finding the Fourth Proportional to 541,976.60, 747,906.36 and 300,262.94

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Solution

The fourth proportional to 541,976.60, 747,906.36 and 300,262.94 is: 414,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,976.60 : 747,906.36 = 300,262.94 : x
  2. Step 2: Convert to fraction form
    541,976.60/747,906.36 = 300,262.94/x
  3. Step 3: Cross multiply
    541,976.60x = 747,906.36 × 300,262.94
  4. Step 4: Simplify right side
    541,976.60x = 224,568,562,498.30
  5. Step 5: Solve for x
    x = 224,568,562,498.30/541,976.60
  6. Step 6: Final answer
    x = 414,351.03

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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.