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Finding the Fourth Proportional to 439,452.78, 659,174.35 and 333,487.66

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Solution

The fourth proportional to 439,452.78, 659,174.35 and 333,487.66 is: 500,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,452.78 : 659,174.35 = 333,487.66 : x
  2. Step 2: Convert to fraction form
    439,452.78/659,174.35 = 333,487.66/x
  3. Step 3: Cross multiply
    439,452.78x = 659,174.35 × 333,487.66
  4. Step 4: Simplify right side
    439,452.78x = 219,826,511,513.52
  5. Step 5: Solve for x
    x = 219,826,511,513.52/439,452.78
  6. Step 6: Final answer
    x = 500,227.83

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1.5x scale

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.