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Finding the Fourth Proportional to 248,649.38, 372,976.67 and 199,044.81

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Solution

The fourth proportional to 248,649.38, 372,976.67 and 199,044.81 is: 298,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,649.38 : 372,976.67 = 199,044.81 : x
  2. Step 2: Convert to fraction form
    248,649.38/372,976.67 = 199,044.81/x
  3. Step 3: Cross multiply
    248,649.38x = 372,976.67 × 199,044.81
  4. Step 4: Simplify right side
    248,649.38x = 74,239,072,310.86
  5. Step 5: Solve for x
    x = 74,239,072,310.86/248,649.38
  6. Step 6: Final answer
    x = 298,569.30

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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.