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Finding the Fourth Proportional to 549,221.53, 823,963.81 and 229,195.37

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Solution

The fourth proportional to 549,221.53, 823,963.81 and 229,195.37 is: 343,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,221.53 : 823,963.81 = 229,195.37 : x
  2. Step 2: Convert to fraction form
    549,221.53/823,963.81 = 229,195.37/x
  3. Step 3: Cross multiply
    549,221.53x = 823,963.81 × 229,195.37
  4. Step 4: Simplify right side
    549,221.53x = 188,848,690,299.56
  5. Step 5: Solve for x
    x = 188,848,690,299.56/549,221.53
  6. Step 6: Final answer
    x = 343,847.94

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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.