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Finding the Fourth Proportional to 373,879.44, 515,934.10 and 204,080.76

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Solution

The fourth proportional to 373,879.44, 515,934.10 and 204,080.76 is: 281,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,879.44 : 515,934.10 = 204,080.76 : x
  2. Step 2: Convert to fraction form
    373,879.44/515,934.10 = 204,080.76/x
  3. Step 3: Cross multiply
    373,879.44x = 515,934.10 × 204,080.76
  4. Step 4: Simplify right side
    373,879.44x = 105,292,223,237.92
  5. Step 5: Solve for x
    x = 105,292,223,237.92/373,879.44
  6. Step 6: Final answer
    x = 281,620.79

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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.