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Finding the Fourth Proportional to 591,778.85, 816,648.68 and 337,135.50

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Solution

The fourth proportional to 591,778.85, 816,648.68 and 337,135.50 is: 465,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,778.85 : 816,648.68 = 337,135.50 : x
  2. Step 2: Convert to fraction form
    591,778.85/816,648.68 = 337,135.50/x
  3. Step 3: Cross multiply
    591,778.85x = 816,648.68 × 337,135.50
  4. Step 4: Simplify right side
    591,778.85x = 275,321,261,898.98
  5. Step 5: Solve for x
    x = 275,321,261,898.98/591,778.85
  6. Step 6: Final answer
    x = 465,243.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.