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Finding the Fourth Proportional to 481,436.88, 664,403.56 and 266,576.76

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Solution

The fourth proportional to 481,436.88, 664,403.56 and 266,576.76 is: 367,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,436.88 : 664,403.56 = 266,576.76 : x
  2. Step 2: Convert to fraction form
    481,436.88/664,403.56 = 266,576.76/x
  3. Step 3: Cross multiply
    481,436.88x = 664,403.56 × 266,576.76
  4. Step 4: Simplify right side
    481,436.88x = 177,114,548,357.27
  5. Step 5: Solve for x
    x = 177,114,548,357.27/481,436.88
  6. Step 6: Final answer
    x = 367,887.37

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1.5x scale

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.