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Finding the Fourth Proportional to 494,773, 682,780.26 and 268,426.60

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Solution

The fourth proportional to 494,773, 682,780.26 and 268,426.60 is: 370,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,773 : 682,780.26 = 268,426.60 : x
  2. Step 2: Convert to fraction form
    494,773/682,780.26 = 268,426.60/x
  3. Step 3: Cross multiply
    494,773x = 682,780.26 × 268,426.60
  4. Step 4: Simplify right side
    494,773x = 183,276,383,738.92
  5. Step 5: Solve for x
    x = 183,276,383,738.92/494,773
  6. Step 6: Final answer
    x = 370,425.19

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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.