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Finding the Fourth Proportional to 539,262.87, 744,198.32 and 297,561

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Solution

The fourth proportional to 539,262.87, 744,198.32 and 297,561 is: 410,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,262.87 : 744,198.32 = 297,561 : x
  2. Step 2: Convert to fraction form
    539,262.87/744,198.32 = 297,561/x
  3. Step 3: Cross multiply
    539,262.87x = 744,198.32 × 297,561
  4. Step 4: Simplify right side
    539,262.87x = 221,444,396,297.52
  5. Step 5: Solve for x
    x = 221,444,396,297.52/539,262.87
  6. Step 6: Final answer
    x = 410,642.77

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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.