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Finding the Fourth Proportional to 317,093.94, 475,007.19 and 190,664.97

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Solution

The fourth proportional to 317,093.94, 475,007.19 and 190,664.97 is: 285,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,093.94 : 475,007.19 = 190,664.97 : x
  2. Step 2: Convert to fraction form
    317,093.94/475,007.19 = 190,664.97/x
  3. Step 3: Cross multiply
    317,093.94x = 475,007.19 × 190,664.97
  4. Step 4: Simplify right side
    317,093.94x = 90,567,231,631.13
  5. Step 5: Solve for x
    x = 90,567,231,631.13/317,093.94
  6. Step 6: Final answer
    x = 285,616.41

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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.