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Finding the Fourth Proportional to 451,467.90, 677,305.98 and 151,940.70

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Solution

The fourth proportional to 451,467.90, 677,305.98 and 151,940.70 is: 227,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,467.90 : 677,305.98 = 151,940.70 : x
  2. Step 2: Convert to fraction form
    451,467.90/677,305.98 = 151,940.70/x
  3. Step 3: Cross multiply
    451,467.90x = 677,305.98 × 151,940.70
  4. Step 4: Simplify right side
    451,467.90x = 102,910,344,715.39
  5. Step 5: Solve for x
    x = 102,910,344,715.39/451,467.90
  6. Step 6: Final answer
    x = 227,946.09

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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.