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Finding the Fourth Proportional to 481,194.50, 664,038.50 and 266,321.76

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Solution

The fourth proportional to 481,194.50, 664,038.50 and 266,321.76 is: 367,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,194.50 : 664,038.50 = 266,321.76 : x
  2. Step 2: Convert to fraction form
    481,194.50/664,038.50 = 266,321.76/x
  3. Step 3: Cross multiply
    481,194.50x = 664,038.50 × 266,321.76
  4. Step 4: Simplify right side
    481,194.50x = 176,847,902,027.76
  5. Step 5: Solve for x
    x = 176,847,902,027.76/481,194.50
  6. Step 6: Final answer
    x = 367,518.54

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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.