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Finding the Fourth Proportional to 481,460.97, 664,408.02 and 266,596.43

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Solution

The fourth proportional to 481,460.97, 664,408.02 and 266,596.43 is: 367,898.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,460.97 : 664,408.02 = 266,596.43 : x
  2. Step 2: Convert to fraction form
    481,460.97/664,408.02 = 266,596.43/x
  3. Step 3: Cross multiply
    481,460.97x = 664,408.02 × 266,596.43
  4. Step 4: Simplify right side
    481,460.97x = 177,128,803,873.07
  5. Step 5: Solve for x
    x = 177,128,803,873.07/481,460.97
  6. Step 6: Final answer
    x = 367,898.57

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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.