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Finding the Fourth Proportional to 539,063.33, 743,912.57 and 297,356.09

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Solution

The fourth proportional to 539,063.33, 743,912.57 and 297,356.09 is: 410,354.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,063.33 : 743,912.57 = 297,356.09 : x
  2. Step 2: Convert to fraction form
    539,063.33/743,912.57 = 297,356.09/x
  3. Step 3: Cross multiply
    539,063.33x = 743,912.57 × 297,356.09
  4. Step 4: Simplify right side
    539,063.33x = 221,206,930,140.88
  5. Step 5: Solve for x
    x = 221,206,930,140.88/539,063.33
  6. Step 6: Final answer
    x = 410,354.26

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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.