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Finding the Fourth Proportional to 481,330.50, 664,241.32 and 266,474.14

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Solution

The fourth proportional to 481,330.50, 664,241.32 and 266,474.14 is: 367,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,330.50 : 664,241.32 = 266,474.14 : x
  2. Step 2: Convert to fraction form
    481,330.50/664,241.32 = 266,474.14/x
  3. Step 3: Cross multiply
    481,330.50x = 664,241.32 × 266,474.14
  4. Step 4: Simplify right side
    481,330.50x = 177,003,134,499.47
  5. Step 5: Solve for x
    x = 177,003,134,499.47/481,330.50
  6. Step 6: Final answer
    x = 367,737.21

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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.