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Finding the Fourth Proportional to 371,212.52, 512,273.61 and 201,446.64

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Solution

The fourth proportional to 371,212.52, 512,273.61 and 201,446.64 is: 277,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,212.52 : 512,273.61 = 201,446.64 : x
  2. Step 2: Convert to fraction form
    371,212.52/512,273.61 = 201,446.64/x
  3. Step 3: Cross multiply
    371,212.52x = 512,273.61 × 201,446.64
  4. Step 4: Simplify right side
    371,212.52x = 103,195,797,495.17
  5. Step 5: Solve for x
    x = 103,195,797,495.17/371,212.52
  6. Step 6: Final answer
    x = 277,996.55

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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.