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Finding the Fourth Proportional to 275,232, 379,820.85 and 160,589.46

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Solution

The fourth proportional to 275,232, 379,820.85 and 160,589.46 is: 221,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,232 : 379,820.85 = 160,589.46 : x
  2. Step 2: Convert to fraction form
    275,232/379,820.85 = 160,589.46/x
  3. Step 3: Cross multiply
    275,232x = 379,820.85 × 160,589.46
  4. Step 4: Simplify right side
    275,232x = 60,995,225,198.24
  5. Step 5: Solve for x
    x = 60,995,225,198.24/275,232
  6. Step 6: Final answer
    x = 221,613.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.