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Finding the Fourth Proportional to 444,906.48, 613,978.92 and 243,689.52

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Solution

The fourth proportional to 444,906.48, 613,978.92 and 243,689.52 is: 336,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,906.48 : 613,978.92 = 243,689.52 : x
  2. Step 2: Convert to fraction form
    444,906.48/613,978.92 = 243,689.52/x
  3. Step 3: Cross multiply
    444,906.48x = 613,978.92 × 243,689.52
  4. Step 4: Simplify right side
    444,906.48x = 149,620,228,304.92
  5. Step 5: Solve for x
    x = 149,620,228,304.92/444,906.48
  6. Step 6: Final answer
    x = 336,295.91

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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.