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Finding the Fourth Proportional to 481,645.48, 664,418.76 and 297,825.28

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Solution

The fourth proportional to 481,645.48, 664,418.76 and 297,825.28 is: 410,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,645.48 : 664,418.76 = 297,825.28 : x
  2. Step 2: Convert to fraction form
    481,645.48/664,418.76 = 297,825.28/x
  3. Step 3: Cross multiply
    481,645.48x = 664,418.76 × 297,825.28
  4. Step 4: Simplify right side
    481,645.48x = 197,880,703,234.25
  5. Step 5: Solve for x
    x = 197,880,703,234.25/481,645.48
  6. Step 6: Final answer
    x = 410,843.06

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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.