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Finding the Fourth Proportional to 591,609.88, 887,059.36 and 231,351.85

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Solution

The fourth proportional to 591,609.88, 887,059.36 and 231,351.85 is: 346,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,609.88 : 887,059.36 = 231,351.85 : x
  2. Step 2: Convert to fraction form
    591,609.88/887,059.36 = 231,351.85/x
  3. Step 3: Cross multiply
    591,609.88x = 887,059.36 × 231,351.85
  4. Step 4: Simplify right side
    591,609.88x = 205,222,823,995.82
  5. Step 5: Solve for x
    x = 205,222,823,995.82/591,609.88
  6. Step 6: Final answer
    x = 346,888.77

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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.