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Finding the Fourth Proportional to 539,593.19, 744,640.22 and 294,578.33

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Solution

The fourth proportional to 539,593.19, 744,640.22 and 294,578.33 is: 406,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,593.19 : 744,640.22 = 294,578.33 : x
  2. Step 2: Convert to fraction form
    539,593.19/744,640.22 = 294,578.33/x
  3. Step 3: Cross multiply
    539,593.19x = 744,640.22 × 294,578.33
  4. Step 4: Simplify right side
    539,593.19x = 219,354,872,847.14
  5. Step 5: Solve for x
    x = 219,354,872,847.14/539,593.19
  6. Step 6: Final answer
    x = 406,518.98

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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.