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Finding the Fourth Proportional to 481,404.52, 664,358.97 and 266,544.55

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Solution

The fourth proportional to 481,404.52, 664,358.97 and 266,544.55 is: 367,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,404.52 : 664,358.97 = 266,544.55 : x
  2. Step 2: Convert to fraction form
    481,404.52/664,358.97 = 266,544.55/x
  3. Step 3: Cross multiply
    481,404.52x = 664,358.97 × 266,544.55
  4. Step 4: Simplify right side
    481,404.52x = 177,081,262,697.11
  5. Step 5: Solve for x
    x = 177,081,262,697.11/481,404.52
  6. Step 6: Final answer
    x = 367,842.96

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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.