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Finding the Fourth Proportional to 539,297.15, 744,229.19 and 297,579.53

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Solution

The fourth proportional to 539,297.15, 744,229.19 and 297,579.53 is: 410,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,297.15 : 744,229.19 = 297,579.53 : x
  2. Step 2: Convert to fraction form
    539,297.15/744,229.19 = 297,579.53/x
  3. Step 3: Cross multiply
    539,297.15x = 744,229.19 × 297,579.53
  4. Step 4: Simplify right side
    539,297.15x = 221,467,367,363.44
  5. Step 5: Solve for x
    x = 221,467,367,363.44/539,297.15
  6. Step 6: Final answer
    x = 410,659.26

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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.