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Finding the Fourth Proportional to 539,348.52, 744,268.86 and 297,653.82

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Solution

The fourth proportional to 539,348.52, 744,268.86 and 297,653.82 is: 410,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,348.52 : 744,268.86 = 297,653.82 : x
  2. Step 2: Convert to fraction form
    539,348.52/744,268.86 = 297,653.82/x
  3. Step 3: Cross multiply
    539,348.52x = 744,268.86 × 297,653.82
  4. Step 4: Simplify right side
    539,348.52x = 221,534,469,286.05
  5. Step 5: Solve for x
    x = 221,534,469,286.05/539,348.52
  6. Step 6: Final answer
    x = 410,744.56

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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.