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Finding the Fourth Proportional to 496,608.87, 744,909.41 and 328,879.85

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Solution

The fourth proportional to 496,608.87, 744,909.41 and 328,879.85 is: 493,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,608.87 : 744,909.41 = 328,879.85 : x
  2. Step 2: Convert to fraction form
    496,608.87/744,909.41 = 328,879.85/x
  3. Step 3: Cross multiply
    496,608.87x = 744,909.41 × 328,879.85
  4. Step 4: Simplify right side
    496,608.87x = 244,985,692,122.04
  5. Step 5: Solve for x
    x = 244,985,692,122.04/496,608.87
  6. Step 6: Final answer
    x = 493,317.19

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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.