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Finding the Fourth Proportional to 444,104.37, 613,144.08 and 308,090.79

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Solution

The fourth proportional to 444,104.37, 613,144.08 and 308,090.79 is: 425,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,104.37 : 613,144.08 = 308,090.79 : x
  2. Step 2: Convert to fraction form
    444,104.37/613,144.08 = 308,090.79/x
  3. Step 3: Cross multiply
    444,104.37x = 613,144.08 × 308,090.79
  4. Step 4: Simplify right side
    444,104.37x = 188,904,043,991.02
  5. Step 5: Solve for x
    x = 188,904,043,991.02/444,104.37
  6. Step 6: Final answer
    x = 425,359.57

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1.5x scale

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.