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Finding the Fourth Proportional to 451,063.35, 676,861.38 and 166,953.42

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Solution

The fourth proportional to 451,063.35, 676,861.38 and 166,953.42 is: 250,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,063.35 : 676,861.38 = 166,953.42 : x
  2. Step 2: Convert to fraction form
    451,063.35/676,861.38 = 166,953.42/x
  3. Step 3: Cross multiply
    451,063.35x = 676,861.38 × 166,953.42
  4. Step 4: Simplify right side
    451,063.35x = 113,004,322,256.92
  5. Step 5: Solve for x
    x = 113,004,322,256.92/451,063.35
  6. Step 6: Final answer
    x = 250,528.72

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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.