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Finding the Fourth Proportional to 311,245.26, 466,929.18 and 111,512.22

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Solution

The fourth proportional to 311,245.26, 466,929.18 and 111,512.22 is: 167,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,245.26 : 466,929.18 = 111,512.22 : x
  2. Step 2: Convert to fraction form
    311,245.26/466,929.18 = 111,512.22/x
  3. Step 3: Cross multiply
    311,245.26x = 466,929.18 × 111,512.22
  4. Step 4: Simplify right side
    311,245.26x = 52,068,309,444.58
  5. Step 5: Solve for x
    x = 52,068,309,444.58/311,245.26
  6. Step 6: Final answer
    x = 167,290.29

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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.