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Finding the Fourth Proportional to 539,568.20, 744,609.31 and 297,845.57

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Solution

The fourth proportional to 539,568.20, 744,609.31 and 297,845.57 is: 411,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,568.20 : 744,609.31 = 297,845.57 : x
  2. Step 2: Convert to fraction form
    539,568.20/744,609.31 = 297,845.57/x
  3. Step 3: Cross multiply
    539,568.20x = 744,609.31 × 297,845.57
  4. Step 4: Simplify right side
    539,568.20x = 221,778,585,481.17
  5. Step 5: Solve for x
    x = 221,778,585,481.17/539,568.20
  6. Step 6: Final answer
    x = 411,029.75

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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.