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Finding the Fourth Proportional to 461,595, 636,924.14 and 308,387.56

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Solution

The fourth proportional to 461,595, 636,924.14 and 308,387.56 is: 425,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,595 : 636,924.14 = 308,387.56 : x
  2. Step 2: Convert to fraction form
    461,595/636,924.14 = 308,387.56/x
  3. Step 3: Cross multiply
    461,595x = 636,924.14 × 308,387.56
  4. Step 4: Simplify right side
    461,595x = 196,419,481,439.70
  5. Step 5: Solve for x
    x = 196,419,481,439.70/461,595
  6. Step 6: Final answer
    x = 425,523.42

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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.