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Finding the Fourth Proportional to 352,112.82, 485,914.29 and 190,967.22

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Solution

The fourth proportional to 352,112.82, 485,914.29 and 190,967.22 is: 263,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,112.82 : 485,914.29 = 190,967.22 : x
  2. Step 2: Convert to fraction form
    352,112.82/485,914.29 = 190,967.22/x
  3. Step 3: Cross multiply
    352,112.82x = 485,914.29 × 190,967.22
  4. Step 4: Simplify right side
    352,112.82x = 92,793,701,119.57
  5. Step 5: Solve for x
    x = 92,793,701,119.57/352,112.82
  6. Step 6: Final answer
    x = 263,534.00

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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.