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Finding the Fourth Proportional to 445,303.68, 667,956.01 and 108,344.33

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Solution

The fourth proportional to 445,303.68, 667,956.01 and 108,344.33 is: 162,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,303.68 : 667,956.01 = 108,344.33 : x
  2. Step 2: Convert to fraction form
    445,303.68/667,956.01 = 108,344.33/x
  3. Step 3: Cross multiply
    445,303.68x = 667,956.01 × 108,344.33
  4. Step 4: Simplify right side
    445,303.68x = 72,369,246,372.92
  5. Step 5: Solve for x
    x = 72,369,246,372.92/445,303.68
  6. Step 6: Final answer
    x = 162,516.61

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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.