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Finding the Fourth Proportional to 303,668.65, 454,619 and 159,231.97

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Solution

The fourth proportional to 303,668.65, 454,619 and 159,231.97 is: 238,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,668.65 : 454,619 = 159,231.97 : x
  2. Step 2: Convert to fraction form
    303,668.65/454,619 = 159,231.97/x
  3. Step 3: Cross multiply
    303,668.65x = 454,619 × 159,231.97
  4. Step 4: Simplify right side
    303,668.65x = 72,389,878,969.43
  5. Step 5: Solve for x
    x = 72,389,878,969.43/303,668.65
  6. Step 6: Final answer
    x = 238,384.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.