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Finding the Fourth Proportional to 297,222.56, 445,822.32 and 75,612.32

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Solution

The fourth proportional to 297,222.56, 445,822.32 and 75,612.32 is: 113,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,222.56 : 445,822.32 = 75,612.32 : x
  2. Step 2: Convert to fraction form
    297,222.56/445,822.32 = 75,612.32/x
  3. Step 3: Cross multiply
    297,222.56x = 445,822.32 × 75,612.32
  4. Step 4: Simplify right side
    297,222.56x = 33,709,659,922.98
  5. Step 5: Solve for x
    x = 33,709,659,922.98/297,222.56
  6. Step 6: Final answer
    x = 113,415.55

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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.