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Finding the Fourth Proportional to 372,997.62, 514,722.27 and 203,233.02

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Solution

The fourth proportional to 372,997.62, 514,722.27 and 203,233.02 is: 280,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,997.62 : 514,722.27 = 203,233.02 : x
  2. Step 2: Convert to fraction form
    372,997.62/514,722.27 = 203,233.02/x
  3. Step 3: Cross multiply
    372,997.62x = 514,722.27 × 203,233.02
  4. Step 4: Simplify right side
    372,997.62x = 104,608,561,393.36
  5. Step 5: Solve for x
    x = 104,608,561,393.36/372,997.62
  6. Step 6: Final answer
    x = 280,453.70

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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.