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Finding the Fourth Proportional to 274,423.20, 410,857.20 and 246,429.60

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Solution

The fourth proportional to 274,423.20, 410,857.20 and 246,429.60 is: 368,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,423.20 : 410,857.20 = 246,429.60 : x
  2. Step 2: Convert to fraction form
    274,423.20/410,857.20 = 246,429.60/x
  3. Step 3: Cross multiply
    274,423.20x = 410,857.20 × 246,429.60
  4. Step 4: Simplify right side
    274,423.20x = 101,247,375,453.12
  5. Step 5: Solve for x
    x = 101,247,375,453.12/274,423.20
  6. Step 6: Final answer
    x = 368,946.12

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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.