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Finding the Fourth Proportional to 378,049.44, 567,721.32 and 252,496.50

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Solution

The fourth proportional to 378,049.44, 567,721.32 and 252,496.50 is: 379,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,049.44 : 567,721.32 = 252,496.50 : x
  2. Step 2: Convert to fraction form
    378,049.44/567,721.32 = 252,496.50/x
  3. Step 3: Cross multiply
    378,049.44x = 567,721.32 × 252,496.50
  4. Step 4: Simplify right side
    378,049.44x = 143,347,646,275.38
  5. Step 5: Solve for x
    x = 143,347,646,275.38/378,049.44
  6. Step 6: Final answer
    x = 379,176.98

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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.