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Finding the Fourth Proportional to 373,170.72, 514,960.32 and 203,401.12

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Solution

The fourth proportional to 373,170.72, 514,960.32 and 203,401.12 is: 280,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,170.72 : 514,960.32 = 203,401.12 : x
  2. Step 2: Convert to fraction form
    373,170.72/514,960.32 = 203,401.12/x
  3. Step 3: Cross multiply
    373,170.72x = 514,960.32 × 203,401.12
  4. Step 4: Simplify right side
    373,170.72x = 104,743,505,843.56
  5. Step 5: Solve for x
    x = 104,743,505,843.56/373,170.72
  6. Step 6: Final answer
    x = 280,685.22

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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.