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Finding the Fourth Proportional to 557,791.92, 836,736.48 and 158,436

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Solution

The fourth proportional to 557,791.92, 836,736.48 and 158,436 is: 237,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,791.92 : 836,736.48 = 158,436 : x
  2. Step 2: Convert to fraction form
    557,791.92/836,736.48 = 158,436/x
  3. Step 3: Cross multiply
    557,791.92x = 836,736.48 × 158,436
  4. Step 4: Simplify right side
    557,791.92x = 132,569,180,945.28
  5. Step 5: Solve for x
    x = 132,569,180,945.28/557,791.92
  6. Step 6: Final answer
    x = 237,667.80

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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.