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Finding the Fourth Proportional to 324,249.01, 447,471.21 and 203,395.39

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Solution

The fourth proportional to 324,249.01, 447,471.21 and 203,395.39 is: 280,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,249.01 : 447,471.21 = 203,395.39 : x
  2. Step 2: Convert to fraction form
    324,249.01/447,471.21 = 203,395.39/x
  3. Step 3: Cross multiply
    324,249.01x = 447,471.21 × 203,395.39
  4. Step 4: Simplify right side
    324,249.01x = 91,013,581,271.72
  5. Step 5: Solve for x
    x = 91,013,581,271.72/324,249.01
  6. Step 6: Final answer
    x = 280,690.39

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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.