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Finding the Fourth Proportional to 351,343.01, 527,014.43 and 191,553.33

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Solution

The fourth proportional to 351,343.01, 527,014.43 and 191,553.33 is: 287,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,343.01 : 527,014.43 = 191,553.33 : x
  2. Step 2: Convert to fraction form
    351,343.01/527,014.43 = 191,553.33/x
  3. Step 3: Cross multiply
    351,343.01x = 527,014.43 × 191,553.33
  4. Step 4: Simplify right side
    351,343.01x = 100,951,369,503.44
  5. Step 5: Solve for x
    x = 100,951,369,503.44/351,343.01
  6. Step 6: Final answer
    x = 287,329.95

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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.