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Finding the Fourth Proportional to 352,880.77, 486,968.44 and 191,736.97

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Solution

The fourth proportional to 352,880.77, 486,968.44 and 191,736.97 is: 264,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,880.77 : 486,968.44 = 191,736.97 : x
  2. Step 2: Convert to fraction form
    352,880.77/486,968.44 = 191,736.97/x
  3. Step 3: Cross multiply
    352,880.77x = 486,968.44 × 191,736.97
  4. Step 4: Simplify right side
    352,880.77x = 93,369,853,171.23
  5. Step 5: Solve for x
    x = 93,369,853,171.23/352,880.77
  6. Step 6: Final answer
    x = 264,593.20

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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.