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Finding the Fourth Proportional to 371,179.91, 512,229.68 and 201,414.04

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Solution

The fourth proportional to 371,179.91, 512,229.68 and 201,414.04 is: 277,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,179.91 : 512,229.68 = 201,414.04 : x
  2. Step 2: Convert to fraction form
    371,179.91/512,229.68 = 201,414.04/x
  3. Step 3: Cross multiply
    371,179.91x = 512,229.68 × 201,414.04
  4. Step 4: Simplify right side
    371,179.91x = 103,170,247,330.41
  5. Step 5: Solve for x
    x = 103,170,247,330.41/371,179.91
  6. Step 6: Final answer
    x = 277,952.13

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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.