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Finding the Fourth Proportional to 273,936.80, 410,905.20 and 231,946.40

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Solution

The fourth proportional to 273,936.80, 410,905.20 and 231,946.40 is: 347,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,936.80 : 410,905.20 = 231,946.40 : x
  2. Step 2: Convert to fraction form
    273,936.80/410,905.20 = 231,946.40/x
  3. Step 3: Cross multiply
    273,936.80x = 410,905.20 × 231,946.40
  4. Step 4: Simplify right side
    273,936.80x = 95,307,981,881.28
  5. Step 5: Solve for x
    x = 95,307,981,881.28/273,936.80
  6. Step 6: Final answer
    x = 347,919.60

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1.5x scale

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.