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Finding the Fourth Proportional to 366,755.42, 550,128.67 and 100,515.71

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Solution

The fourth proportional to 366,755.42, 550,128.67 and 100,515.71 is: 150,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,755.42 : 550,128.67 = 100,515.71 : x
  2. Step 2: Convert to fraction form
    366,755.42/550,128.67 = 100,515.71/x
  3. Step 3: Cross multiply
    366,755.42x = 550,128.67 × 100,515.71
  4. Step 4: Simplify right side
    366,755.42x = 55,296,573,856.41
  5. Step 5: Solve for x
    x = 55,296,573,856.41/366,755.42
  6. Step 6: Final answer
    x = 150,772.34

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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.