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Finding the Fourth Proportional to 351,571.38, 527,446.37 and 102,253.38

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Solution

The fourth proportional to 351,571.38, 527,446.37 and 102,253.38 is: 153,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,571.38 : 527,446.37 = 102,253.38 : x
  2. Step 2: Convert to fraction form
    351,571.38/527,446.37 = 102,253.38/x
  3. Step 3: Cross multiply
    351,571.38x = 527,446.37 × 102,253.38
  4. Step 4: Simplify right side
    351,571.38x = 53,933,174,101.23
  5. Step 5: Solve for x
    x = 53,933,174,101.23/351,571.38
  6. Step 6: Final answer
    x = 153,406.04

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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.