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Finding the Fourth Proportional to 366,682.50, 550,024.19 and 100,445.31

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Solution

The fourth proportional to 366,682.50, 550,024.19 and 100,445.31 is: 150,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,682.50 : 550,024.19 = 100,445.31 : x
  2. Step 2: Convert to fraction form
    366,682.50/550,024.19 = 100,445.31/x
  3. Step 3: Cross multiply
    366,682.50x = 550,024.19 × 100,445.31
  4. Step 4: Simplify right side
    366,682.50x = 55,247,350,272.05
  5. Step 5: Solve for x
    x = 55,247,350,272.05/366,682.50
  6. Step 6: Final answer
    x = 150,668.09

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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.