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Finding the Fourth Proportional to 330,392.52, 494,951.94 and 197,379.24

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Solution

The fourth proportional to 330,392.52, 494,951.94 and 197,379.24 is: 295,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,392.52 : 494,951.94 = 197,379.24 : x
  2. Step 2: Convert to fraction form
    330,392.52/494,951.94 = 197,379.24/x
  3. Step 3: Cross multiply
    330,392.52x = 494,951.94 × 197,379.24
  4. Step 4: Simplify right side
    330,392.52x = 97,693,237,753.73
  5. Step 5: Solve for x
    x = 97,693,237,753.73/330,392.52
  6. Step 6: Final answer
    x = 295,688.41

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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.