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Finding the Fourth Proportional to 223,806.65, 335,811.53 and 204,886.27

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Solution

The fourth proportional to 223,806.65, 335,811.53 and 204,886.27 is: 307,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,806.65 : 335,811.53 = 204,886.27 : x
  2. Step 2: Convert to fraction form
    223,806.65/335,811.53 = 204,886.27/x
  3. Step 3: Cross multiply
    223,806.65x = 335,811.53 × 204,886.27
  4. Step 4: Simplify right side
    223,806.65x = 68,803,171,804.69
  5. Step 5: Solve for x
    x = 68,803,171,804.69/223,806.65
  6. Step 6: Final answer
    x = 307,422.37

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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.