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Finding the Fourth Proportional to 337,307.98, 505,961.96 and 126,993.10

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Solution

The fourth proportional to 337,307.98, 505,961.96 and 126,993.10 is: 190,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,307.98 : 505,961.96 = 126,993.10 : x
  2. Step 2: Convert to fraction form
    337,307.98/505,961.96 = 126,993.10/x
  3. Step 3: Cross multiply
    337,307.98x = 505,961.96 × 126,993.10
  4. Step 4: Simplify right side
    337,307.98x = 64,253,677,782.48
  5. Step 5: Solve for x
    x = 64,253,677,782.48/337,307.98
  6. Step 6: Final answer
    x = 190,489.65

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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.