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Finding the Fourth Proportional to 481,433.70, 664,370.73 and 266,573.10

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Solution

The fourth proportional to 481,433.70, 664,370.73 and 266,573.10 is: 367,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,433.70 : 664,370.73 = 266,573.10 : x
  2. Step 2: Convert to fraction form
    481,433.70/664,370.73 = 266,573.10/x
  3. Step 3: Cross multiply
    481,433.70x = 664,370.73 × 266,573.10
  4. Step 4: Simplify right side
    481,433.70x = 177,103,365,045.36
  5. Step 5: Solve for x
    x = 177,103,365,045.36/481,433.70
  6. Step 6: Final answer
    x = 367,866.57

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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.