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Finding the Fourth Proportional to 481,760.82, 664,776.06 and 266,847.54

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Solution

The fourth proportional to 481,760.82, 664,776.06 and 266,847.54 is: 368,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,760.82 : 664,776.06 = 266,847.54 : x
  2. Step 2: Convert to fraction form
    481,760.82/664,776.06 = 266,847.54/x
  3. Step 3: Cross multiply
    481,760.82x = 664,776.06 × 266,847.54
  4. Step 4: Simplify right side
    481,760.82x = 177,393,856,261.89
  5. Step 5: Solve for x
    x = 177,393,856,261.89/481,760.82
  6. Step 6: Final answer
    x = 368,219.77

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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.