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Finding the Fourth Proportional to 339,220.72, 468,078.24 and 203,224.24

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Solution

The fourth proportional to 339,220.72, 468,078.24 and 203,224.24 is: 280,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,220.72 : 468,078.24 = 203,224.24 : x
  2. Step 2: Convert to fraction form
    339,220.72/468,078.24 = 203,224.24/x
  3. Step 3: Cross multiply
    339,220.72x = 468,078.24 × 203,224.24
  4. Step 4: Simplify right side
    339,220.72x = 95,124,844,584.54
  5. Step 5: Solve for x
    x = 95,124,844,584.54/339,220.72
  6. Step 6: Final answer
    x = 280,421.68

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1.5x scale

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.