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Finding the Fourth Proportional to 352,089.68, 485,896.20 and 251,727.44

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Solution

The fourth proportional to 352,089.68, 485,896.20 and 251,727.44 is: 347,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,089.68 : 485,896.20 = 251,727.44 : x
  2. Step 2: Convert to fraction form
    352,089.68/485,896.20 = 251,727.44/x
  3. Step 3: Cross multiply
    352,089.68x = 485,896.20 × 251,727.44
  4. Step 4: Simplify right side
    352,089.68x = 122,313,406,531.73
  5. Step 5: Solve for x
    x = 122,313,406,531.73/352,089.68
  6. Step 6: Final answer
    x = 347,392.76

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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.