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Finding the Fourth Proportional to 539,542.45, 744,568.73 and 297,825.18

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Solution

The fourth proportional to 539,542.45, 744,568.73 and 297,825.18 is: 410,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,542.45 : 744,568.73 = 297,825.18 : x
  2. Step 2: Convert to fraction form
    539,542.45/744,568.73 = 297,825.18/x
  3. Step 3: Cross multiply
    539,542.45x = 744,568.73 × 297,825.18
  4. Step 4: Simplify right side
    539,542.45x = 221,751,316,034.62
  5. Step 5: Solve for x
    x = 221,751,316,034.62/539,542.45
  6. Step 6: Final answer
    x = 410,998.83

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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.