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Finding the Fourth Proportional to 481,370.74, 664,296.87 and 266,514.64

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Solution

The fourth proportional to 481,370.74, 664,296.87 and 266,514.64 is: 367,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,370.74 : 664,296.87 = 266,514.64 : x
  2. Step 2: Convert to fraction form
    481,370.74/664,296.87 = 266,514.64/x
  3. Step 3: Cross multiply
    481,370.74x = 664,296.87 × 266,514.64
  4. Step 4: Simplify right side
    481,370.74x = 177,044,841,161.18
  5. Step 5: Solve for x
    x = 177,044,841,161.18/481,370.74
  6. Step 6: Final answer
    x = 367,793.11

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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.