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Finding the Fourth Proportional to 481,466.90, 664,423.91 and 266,606.96

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Solution

The fourth proportional to 481,466.90, 664,423.91 and 266,606.96 is: 367,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,466.90 : 664,423.91 = 266,606.96 : x
  2. Step 2: Convert to fraction form
    481,466.90/664,423.91 = 266,606.96/x
  3. Step 3: Cross multiply
    481,466.90x = 664,423.91 × 266,606.96
  4. Step 4: Simplify right side
    481,466.90x = 177,140,034,141.26
  5. Step 5: Solve for x
    x = 177,140,034,141.26/481,466.90
  6. Step 6: Final answer
    x = 367,917.37

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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.