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Finding the Fourth Proportional to 590,860.76, 886,514.49 and 231,288.57

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Solution

The fourth proportional to 590,860.76, 886,514.49 and 231,288.57 is: 347,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,860.76 : 886,514.49 = 231,288.57 : x
  2. Step 2: Convert to fraction form
    590,860.76/886,514.49 = 231,288.57/x
  3. Step 3: Cross multiply
    590,860.76x = 886,514.49 × 231,288.57
  4. Step 4: Simplify right side
    590,860.76x = 205,040,668,676.38
  5. Step 5: Solve for x
    x = 205,040,668,676.38/590,860.76
  6. Step 6: Final answer
    x = 347,020.29

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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.