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Finding the Fourth Proportional to 366,971.96, 550,540.83 and 130,314.80

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Solution

The fourth proportional to 366,971.96, 550,540.83 and 130,314.80 is: 195,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,971.96 : 550,540.83 = 130,314.80 : x
  2. Step 2: Convert to fraction form
    366,971.96/550,540.83 = 130,314.80/x
  3. Step 3: Cross multiply
    366,971.96x = 550,540.83 × 130,314.80
  4. Step 4: Simplify right side
    366,971.96x = 71,743,618,153.28
  5. Step 5: Solve for x
    x = 71,743,618,153.28/366,971.96
  6. Step 6: Final answer
    x = 195,501.63

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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.