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Finding the Fourth Proportional to 373,759.86, 515,772.59 and 220,847.25

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Solution

The fourth proportional to 373,759.86, 515,772.59 and 220,847.25 is: 304,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,759.86 : 515,772.59 = 220,847.25 : x
  2. Step 2: Convert to fraction form
    373,759.86/515,772.59 = 220,847.25/x
  3. Step 3: Cross multiply
    373,759.86x = 515,772.59 × 220,847.25
  4. Step 4: Simplify right side
    373,759.86x = 113,906,957,022.64
  5. Step 5: Solve for x
    x = 113,906,957,022.64/373,759.86
  6. Step 6: Final answer
    x = 304,759.74

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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.