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Finding the Fourth Proportional to 424,042.40, 585,067.92 and 273,360.80

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Solution

The fourth proportional to 424,042.40, 585,067.92 and 273,360.80 is: 377,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,042.40 : 585,067.92 = 273,360.80 : x
  2. Step 2: Convert to fraction form
    424,042.40/585,067.92 = 273,360.80/x
  3. Step 3: Cross multiply
    424,042.40x = 585,067.92 × 273,360.80
  4. Step 4: Simplify right side
    424,042.40x = 159,934,634,665.54
  5. Step 5: Solve for x
    x = 159,934,634,665.54/424,042.40
  6. Step 6: Final answer
    x = 377,166.61

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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.