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Finding the Fourth Proportional to 366,680.88, 550,021.76 and 100,443.69

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Solution

The fourth proportional to 366,680.88, 550,021.76 and 100,443.69 is: 150,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,680.88 : 550,021.76 = 100,443.69 : x
  2. Step 2: Convert to fraction form
    366,680.88/550,021.76 = 100,443.69/x
  3. Step 3: Cross multiply
    366,680.88x = 550,021.76 × 100,443.69
  4. Step 4: Simplify right side
    366,680.88x = 55,246,214,652.48
  5. Step 5: Solve for x
    x = 55,246,214,652.48/366,680.88
  6. Step 6: Final answer
    x = 150,665.65

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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.