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Finding the Fourth Proportional to 373,379.79, 515,250.41 and 203,610.27

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Solution

The fourth proportional to 373,379.79, 515,250.41 and 203,610.27 is: 280,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,379.79 : 515,250.41 = 203,610.27 : x
  2. Step 2: Convert to fraction form
    373,379.79/515,250.41 = 203,610.27/x
  3. Step 3: Cross multiply
    373,379.79x = 515,250.41 × 203,610.27
  4. Step 4: Simplify right side
    373,379.79x = 104,910,274,079.66
  5. Step 5: Solve for x
    x = 104,910,274,079.66/373,379.79
  6. Step 6: Final answer
    x = 280,974.70

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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.