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Finding the Fourth Proportional to 539,270.67, 744,209.09 and 297,568.80

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Solution

The fourth proportional to 539,270.67, 744,209.09 and 297,568.80 is: 410,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,270.67 : 744,209.09 = 297,568.80 : x
  2. Step 2: Convert to fraction form
    539,270.67/744,209.09 = 297,568.80/x
  3. Step 3: Cross multiply
    539,270.67x = 744,209.09 × 297,568.80
  4. Step 4: Simplify right side
    539,270.67x = 221,453,405,860.39
  5. Step 5: Solve for x
    x = 221,453,405,860.39/539,270.67
  6. Step 6: Final answer
    x = 410,653.53

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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.