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Finding the Fourth Proportional to 297,855.84, 445,713.48 and 218,773.92

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Solution

The fourth proportional to 297,855.84, 445,713.48 and 218,773.92 is: 327,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,855.84 : 445,713.48 = 218,773.92 : x
  2. Step 2: Convert to fraction form
    297,855.84/445,713.48 = 218,773.92/x
  3. Step 3: Cross multiply
    297,855.84x = 445,713.48 × 218,773.92
  4. Step 4: Simplify right side
    297,855.84x = 97,510,485,216.44
  5. Step 5: Solve for x
    x = 97,510,485,216.44/297,855.84
  6. Step 6: Final answer
    x = 327,374.76

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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.