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Finding the Fourth Proportional to 481,651.60, 664,701.08 and 266,791.64

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Solution

The fourth proportional to 481,651.60, 664,701.08 and 266,791.64 is: 368,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,651.60 : 664,701.08 = 266,791.64 : x
  2. Step 2: Convert to fraction form
    481,651.60/664,701.08 = 266,791.64/x
  3. Step 3: Cross multiply
    481,651.60x = 664,701.08 × 266,791.64
  4. Step 4: Simplify right side
    481,651.60x = 177,336,691,242.97
  5. Step 5: Solve for x
    x = 177,336,691,242.97/481,651.60
  6. Step 6: Final answer
    x = 368,184.58

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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.