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Finding the Fourth Proportional to 272,882.88, 376,552.80 and 201,302.64

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Solution

The fourth proportional to 272,882.88, 376,552.80 and 201,302.64 is: 277,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,882.88 : 376,552.80 = 201,302.64 : x
  2. Step 2: Convert to fraction form
    272,882.88/376,552.80 = 201,302.64/x
  3. Step 3: Cross multiply
    272,882.88x = 376,552.80 × 201,302.64
  4. Step 4: Simplify right side
    272,882.88x = 75,801,072,739.39
  5. Step 5: Solve for x
    x = 75,801,072,739.39/272,882.88
  6. Step 6: Final answer
    x = 277,778.78

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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.