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Finding the Fourth Proportional to 570,940.27, 855,873.96 and 191,594.96

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Solution

The fourth proportional to 570,940.27, 855,873.96 and 191,594.96 is: 287,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,940.27 : 855,873.96 = 191,594.96 : x
  2. Step 2: Convert to fraction form
    570,940.27/855,873.96 = 191,594.96/x
  3. Step 3: Cross multiply
    570,940.27x = 855,873.96 × 191,594.96
  4. Step 4: Simplify right side
    570,940.27x = 163,981,135,342.92
  5. Step 5: Solve for x
    x = 163,981,135,342.92/570,940.27
  6. Step 6: Final answer
    x = 287,212.42

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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.