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Finding the Fourth Proportional to 344,791.41, 475,877.66 and 215,789.86

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Solution

The fourth proportional to 344,791.41, 475,877.66 and 215,789.86 is: 297,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,791.41 : 475,877.66 = 215,789.86 : x
  2. Step 2: Convert to fraction form
    344,791.41/475,877.66 = 215,789.86/x
  3. Step 3: Cross multiply
    344,791.41x = 475,877.66 × 215,789.86
  4. Step 4: Simplify right side
    344,791.41x = 102,689,573,628.53
  5. Step 5: Solve for x
    x = 102,689,573,628.53/344,791.41
  6. Step 6: Final answer
    x = 297,831.01

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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.