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Finding the Fourth Proportional to 366,951.35, 550,481.70 and 130,274.21

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Solution

The fourth proportional to 366,951.35, 550,481.70 and 130,274.21 is: 195,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,951.35 : 550,481.70 = 130,274.21 : x
  2. Step 2: Convert to fraction form
    366,951.35/550,481.70 = 130,274.21/x
  3. Step 3: Cross multiply
    366,951.35x = 550,481.70 × 130,274.21
  4. Step 4: Simplify right side
    366,951.35x = 71,713,568,586.96
  5. Step 5: Solve for x
    x = 71,713,568,586.96/366,951.35
  6. Step 6: Final answer
    x = 195,430.73

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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.