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Finding the Fourth Proportional to 444,972.96, 613,956.29 and 263,653.55

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Solution

The fourth proportional to 444,972.96, 613,956.29 and 263,653.55 is: 363,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,972.96 : 613,956.29 = 263,653.55 : x
  2. Step 2: Convert to fraction form
    444,972.96/613,956.29 = 263,653.55/x
  3. Step 3: Cross multiply
    444,972.96x = 613,956.29 × 263,653.55
  4. Step 4: Simplify right side
    444,972.96x = 161,871,751,015.28
  5. Step 5: Solve for x
    x = 161,871,751,015.28/444,972.96
  6. Step 6: Final answer
    x = 363,778.85

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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.