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Finding the Fourth Proportional to 591,122.57, 886,808.56 and 191,732.33

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Solution

The fourth proportional to 591,122.57, 886,808.56 and 191,732.33 is: 287,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,122.57 : 886,808.56 = 191,732.33 : x
  2. Step 2: Convert to fraction form
    591,122.57/886,808.56 = 191,732.33/x
  3. Step 3: Cross multiply
    591,122.57x = 886,808.56 × 191,732.33
  4. Step 4: Simplify right side
    591,122.57x = 170,029,870,514.08
  5. Step 5: Solve for x
    x = 170,029,870,514.08/591,122.57
  6. Step 6: Final answer
    x = 287,638.94

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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.