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Finding the Fourth Proportional to 539,344.05, 744,296.97 and 297,633.61

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Solution

The fourth proportional to 539,344.05, 744,296.97 and 297,633.61 is: 410,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,344.05 : 744,296.97 = 297,633.61 : x
  2. Step 2: Convert to fraction form
    539,344.05/744,296.97 = 297,633.61/x
  3. Step 3: Cross multiply
    539,344.05x = 744,296.97 × 297,633.61
  4. Step 4: Simplify right side
    539,344.05x = 221,527,794,093.16
  5. Step 5: Solve for x
    x = 221,527,794,093.16/539,344.05
  6. Step 6: Final answer
    x = 410,735.59

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1.5x scale

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.