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Finding the Fourth Proportional to 481,461.22, 664,408.37 and 266,596.68

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Solution

The fourth proportional to 481,461.22, 664,408.37 and 266,596.68 is: 367,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,461.22 : 664,408.37 = 266,596.68 : x
  2. Step 2: Convert to fraction form
    481,461.22/664,408.37 = 266,596.68/x
  3. Step 3: Cross multiply
    481,461.22x = 664,408.37 × 266,596.68
  4. Step 4: Simplify right side
    481,461.22x = 177,129,065,606.21
  5. Step 5: Solve for x
    x = 177,129,065,606.21/481,461.22
  6. Step 6: Final answer
    x = 367,898.93

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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.