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Finding the Fourth Proportional to 358,620.61, 494,896.43 and 197,475.27

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Solution

The fourth proportional to 358,620.61, 494,896.43 and 197,475.27 is: 272,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,620.61 : 494,896.43 = 197,475.27 : x
  2. Step 2: Convert to fraction form
    358,620.61/494,896.43 = 197,475.27/x
  3. Step 3: Cross multiply
    358,620.61x = 494,896.43 × 197,475.27
  4. Step 4: Simplify right side
    358,620.61x = 97,729,806,629.97
  5. Step 5: Solve for x
    x = 97,729,806,629.97/358,620.61
  6. Step 6: Final answer
    x = 272,515.87

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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.