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Finding the Fourth Proportional to 317,091.46, 475,003.44 and 190,662.46

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Solution

The fourth proportional to 317,091.46, 475,003.44 and 190,662.46 is: 285,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,091.46 : 475,003.44 = 190,662.46 : x
  2. Step 2: Convert to fraction form
    317,091.46/475,003.44 = 190,662.46/x
  3. Step 3: Cross multiply
    317,091.46x = 475,003.44 × 190,662.46
  4. Step 4: Simplify right side
    317,091.46x = 90,565,324,378.86
  5. Step 5: Solve for x
    x = 90,565,324,378.86/317,091.46
  6. Step 6: Final answer
    x = 285,612.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.