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Finding the Fourth Proportional to 245,549.80, 367,806.30 and 204,077.80

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Solution

The fourth proportional to 245,549.80, 367,806.30 and 204,077.80 is: 305,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,549.80 : 367,806.30 = 204,077.80 : x
  2. Step 2: Convert to fraction form
    245,549.80/367,806.30 = 204,077.80/x
  3. Step 3: Cross multiply
    245,549.80x = 367,806.30 × 204,077.80
  4. Step 4: Simplify right side
    245,549.80x = 75,061,100,530.14
  5. Step 5: Solve for x
    x = 75,061,100,530.14/245,549.80
  6. Step 6: Final answer
    x = 305,685.85

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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.