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Finding the Fourth Proportional to 358,045.89, 494,093.48 and 196,900.94

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Solution

The fourth proportional to 358,045.89, 494,093.48 and 196,900.94 is: 271,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,045.89 : 494,093.48 = 196,900.94 : x
  2. Step 2: Convert to fraction form
    358,045.89/494,093.48 = 196,900.94/x
  3. Step 3: Cross multiply
    358,045.89x = 494,093.48 × 196,900.94
  4. Step 4: Simplify right side
    358,045.89x = 97,287,469,746.26
  5. Step 5: Solve for x
    x = 97,287,469,746.26/358,045.89
  6. Step 6: Final answer
    x = 271,717.88

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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.