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Finding the Fourth Proportional to 373,516.10, 515,451.61 and 203,750.22

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Solution

The fourth proportional to 373,516.10, 515,451.61 and 203,750.22 is: 281,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,516.10 : 515,451.61 = 203,750.22 : x
  2. Step 2: Convert to fraction form
    373,516.10/515,451.61 = 203,750.22/x
  3. Step 3: Cross multiply
    373,516.10x = 515,451.61 × 203,750.22
  4. Step 4: Simplify right side
    373,516.10x = 105,023,378,936.85
  5. Step 5: Solve for x
    x = 105,023,378,936.85/373,516.10
  6. Step 6: Final answer
    x = 281,174.97

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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.