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Finding the Fourth Proportional to 337,307.85, 505,961.78 and 126,992.97

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Solution

The fourth proportional to 337,307.85, 505,961.78 and 126,992.97 is: 190,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,307.85 : 505,961.78 = 126,992.97 : x
  2. Step 2: Convert to fraction form
    337,307.85/505,961.78 = 126,992.97/x
  3. Step 3: Cross multiply
    337,307.85x = 505,961.78 × 126,992.97
  4. Step 4: Simplify right side
    337,307.85x = 64,253,589,148.69
  5. Step 5: Solve for x
    x = 64,253,589,148.69/337,307.85
  6. Step 6: Final answer
    x = 190,489.46

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Double scale
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Similar ratio
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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.