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Finding the Fourth Proportional to 444,474, 613,378.44 and 243,274.32

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Solution

The fourth proportional to 444,474, 613,378.44 and 243,274.32 is: 335,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,474 : 613,378.44 = 243,274.32 : x
  2. Step 2: Convert to fraction form
    444,474/613,378.44 = 243,274.32/x
  3. Step 3: Cross multiply
    444,474x = 613,378.44 × 243,274.32
  4. Step 4: Simplify right side
    444,474x = 149,219,222,893.66
  5. Step 5: Solve for x
    x = 149,219,222,893.66/444,474
  6. Step 6: Final answer
    x = 335,720.93

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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.