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Finding the Fourth Proportional to 358,170.94, 494,265.40 and 197,025.90

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Solution

The fourth proportional to 358,170.94, 494,265.40 and 197,025.90 is: 271,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,170.94 : 494,265.40 = 197,025.90 : x
  2. Step 2: Convert to fraction form
    358,170.94/494,265.40 = 197,025.90/x
  3. Step 3: Cross multiply
    358,170.94x = 494,265.40 × 197,025.90
  4. Step 4: Simplify right side
    358,170.94x = 97,383,085,273.86
  5. Step 5: Solve for x
    x = 97,383,085,273.86/358,170.94
  6. Step 6: Final answer
    x = 271,889.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.