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Finding the Fourth Proportional to 444,652.44, 613,619.10 and 243,447

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Solution

The fourth proportional to 444,652.44, 613,619.10 and 243,447 is: 335,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,652.44 : 613,619.10 = 243,447 : x
  2. Step 2: Convert to fraction form
    444,652.44/613,619.10 = 243,447/x
  3. Step 3: Cross multiply
    444,652.44x = 613,619.10 × 243,447
  4. Step 4: Simplify right side
    444,652.44x = 149,383,729,037.70
  5. Step 5: Solve for x
    x = 149,383,729,037.70/444,652.44
  6. Step 6: Final answer
    x = 335,956.17

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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.