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Finding the Fourth Proportional to 481,771.25, 664,818.08 and 266,898.50

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Solution

The fourth proportional to 481,771.25, 664,818.08 and 266,898.50 is: 368,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,771.25 : 664,818.08 = 266,898.50 : x
  2. Step 2: Convert to fraction form
    481,771.25/664,818.08 = 266,898.50/x
  3. Step 3: Cross multiply
    481,771.25x = 664,818.08 × 266,898.50
  4. Step 4: Simplify right side
    481,771.25x = 177,438,948,324.88
  5. Step 5: Solve for x
    x = 177,438,948,324.88/481,771.25
  6. Step 6: Final answer
    x = 368,305.39

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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.