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Finding the Fourth Proportional to 494,447.55, 741,671.33 and 178,830.65

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Solution

The fourth proportional to 494,447.55, 741,671.33 and 178,830.65 is: 268,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,447.55 : 741,671.33 = 178,830.65 : x
  2. Step 2: Convert to fraction form
    494,447.55/741,671.33 = 178,830.65/x
  3. Step 3: Cross multiply
    494,447.55x = 741,671.33 × 178,830.65
  4. Step 4: Simplify right side
    494,447.55x = 132,633,561,427.76
  5. Step 5: Solve for x
    x = 132,633,561,427.76/494,447.55
  6. Step 6: Final answer
    x = 268,245.97

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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.