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Finding the Fourth Proportional to 481,211.00, 664,001.68 and 266,350.55

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Solution

The fourth proportional to 481,211.00, 664,001.68 and 266,350.55 is: 367,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,211.00 : 664,001.68 = 266,350.55 : x
  2. Step 2: Convert to fraction form
    481,211.00/664,001.68 = 266,350.55/x
  3. Step 3: Cross multiply
    481,211.00x = 664,001.68 × 266,350.55
  4. Step 4: Simplify right side
    481,211.00x = 176,857,214,035.85
  5. Step 5: Solve for x
    x = 176,857,214,035.85/481,211.00
  6. Step 6: Final answer
    x = 367,525.29

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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.