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Finding the Fourth Proportional to 297,956.56, 410,777.60 and 202,297.20

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Solution

The fourth proportional to 297,956.56, 410,777.60 and 202,297.20 is: 278,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,956.56 : 410,777.60 = 202,297.20 : x
  2. Step 2: Convert to fraction form
    297,956.56/410,777.60 = 202,297.20/x
  3. Step 3: Cross multiply
    297,956.56x = 410,777.60 × 202,297.20
  4. Step 4: Simplify right side
    297,956.56x = 83,099,158,302.72
  5. Step 5: Solve for x
    x = 83,099,158,302.72/297,956.56
  6. Step 6: Final answer
    x = 278,896.89

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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.