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Finding the Fourth Proportional to 613,317.56, 920,013.24 and 192,593.43

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Solution

The fourth proportional to 613,317.56, 920,013.24 and 192,593.43 is: 288,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,317.56 : 920,013.24 = 192,593.43 : x
  2. Step 2: Convert to fraction form
    613,317.56/920,013.24 = 192,593.43/x
  3. Step 3: Cross multiply
    613,317.56x = 920,013.24 × 192,593.43
  4. Step 4: Simplify right side
    613,317.56x = 177,188,505,537.01
  5. Step 5: Solve for x
    x = 177,188,505,537.01/613,317.56
  6. Step 6: Final answer
    x = 288,901.73

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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.