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Finding the Fourth Proportional to 352,069.74, 485,856.48 and 190,924.74

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Solution

The fourth proportional to 352,069.74, 485,856.48 and 190,924.74 is: 263,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,069.74 : 485,856.48 = 190,924.74 : x
  2. Step 2: Convert to fraction form
    352,069.74/485,856.48 = 190,924.74/x
  3. Step 3: Cross multiply
    352,069.74x = 485,856.48 × 190,924.74
  4. Step 4: Simplify right side
    352,069.74x = 92,762,022,121.32
  5. Step 5: Solve for x
    x = 92,762,022,121.32/352,069.74
  6. Step 6: Final answer
    x = 263,476.27

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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.