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Finding the Fourth Proportional to 443,956.88, 664,883.04 and 254,520.16

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Solution

The fourth proportional to 443,956.88, 664,883.04 and 254,520.16 is: 381,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,956.88 : 664,883.04 = 254,520.16 : x
  2. Step 2: Convert to fraction form
    443,956.88/664,883.04 = 254,520.16/x
  3. Step 3: Cross multiply
    443,956.88x = 664,883.04 × 254,520.16
  4. Step 4: Simplify right side
    443,956.88x = 169,226,137,722.09
  5. Step 5: Solve for x
    x = 169,226,137,722.09/443,956.88
  6. Step 6: Final answer
    x = 381,176.97

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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.