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Finding the Fourth Proportional to 481,361.52, 664,284.12 and 266,505.12

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Solution

The fourth proportional to 481,361.52, 664,284.12 and 266,505.12 is: 367,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,361.52 : 664,284.12 = 266,505.12 : x
  2. Step 2: Convert to fraction form
    481,361.52/664,284.12 = 266,505.12/x
  3. Step 3: Cross multiply
    481,361.52x = 664,284.12 × 266,505.12
  4. Step 4: Simplify right side
    481,361.52x = 177,035,119,114.69
  5. Step 5: Solve for x
    x = 177,035,119,114.69/481,361.52
  6. Step 6: Final answer
    x = 367,779.96

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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.