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Finding the Fourth Proportional to 245,540.80, 367,792.80 and 204,068.80

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Solution

The fourth proportional to 245,540.80, 367,792.80 and 204,068.80 is: 305,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,540.80 : 367,792.80 = 204,068.80 : x
  2. Step 2: Convert to fraction form
    245,540.80/367,792.80 = 204,068.80/x
  3. Step 3: Cross multiply
    245,540.80x = 367,792.80 × 204,068.80
  4. Step 4: Simplify right side
    245,540.80x = 75,055,035,344.64
  5. Step 5: Solve for x
    x = 75,055,035,344.64/245,540.80
  6. Step 6: Final answer
    x = 305,672.36

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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.