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Finding the Fourth Proportional to 606,593.31, 909,198.08 and 378,993.58

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Solution

The fourth proportional to 606,593.31, 909,198.08 and 378,993.58 is: 568,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,593.31 : 909,198.08 = 378,993.58 : x
  2. Step 2: Convert to fraction form
    606,593.31/909,198.08 = 378,993.58/x
  3. Step 3: Cross multiply
    606,593.31x = 909,198.08 × 378,993.58
  4. Step 4: Simplify right side
    606,593.31x = 344,580,235,268.33
  5. Step 5: Solve for x
    x = 344,580,235,268.33/606,593.31
  6. Step 6: Final answer
    x = 568,058.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.