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Finding the Fourth Proportional to 358,586.29, 494,867.26 and 203,548.49

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Solution

The fourth proportional to 358,586.29, 494,867.26 and 203,548.49 is: 280,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,586.29 : 494,867.26 = 203,548.49 : x
  2. Step 2: Convert to fraction form
    358,586.29/494,867.26 = 203,548.49/x
  3. Step 3: Cross multiply
    358,586.29x = 494,867.26 × 203,548.49
  4. Step 4: Simplify right side
    358,586.29x = 100,729,483,523.44
  5. Step 5: Solve for x
    x = 100,729,483,523.44/358,586.29
  6. Step 6: Final answer
    x = 280,907.24

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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.