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Finding the Fourth Proportional to 397,308.80, 548,194.56 and 246,333.44

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Solution

The fourth proportional to 397,308.80, 548,194.56 and 246,333.44 is: 339,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,308.80 : 548,194.56 = 246,333.44 : x
  2. Step 2: Convert to fraction form
    397,308.80/548,194.56 = 246,333.44/x
  3. Step 3: Cross multiply
    397,308.80x = 548,194.56 × 246,333.44
  4. Step 4: Simplify right side
    397,308.80x = 135,038,651,754.09
  5. Step 5: Solve for x
    x = 135,038,651,754.09/397,308.80
  6. Step 6: Final answer
    x = 339,883.36

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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.