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Finding the Fourth Proportional to 539,241.62, 744,175.94 and 297,539.87

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Solution

The fourth proportional to 539,241.62, 744,175.94 and 297,539.87 is: 410,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,241.62 : 744,175.94 = 297,539.87 : x
  2. Step 2: Convert to fraction form
    539,241.62/744,175.94 = 297,539.87/x
  3. Step 3: Cross multiply
    539,241.62x = 744,175.94 × 297,539.87
  4. Step 4: Simplify right side
    539,241.62x = 221,422,007,236.15
  5. Step 5: Solve for x
    x = 221,422,007,236.15/539,241.62
  6. Step 6: Final answer
    x = 410,617.43

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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.