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Finding the Fourth Proportional to 254,694.80, 382,042.20 and 227,138.60

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Solution

The fourth proportional to 254,694.80, 382,042.20 and 227,138.60 is: 340,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,694.80 : 382,042.20 = 227,138.60 : x
  2. Step 2: Convert to fraction form
    254,694.80/382,042.20 = 227,138.60/x
  3. Step 3: Cross multiply
    254,694.80x = 382,042.20 × 227,138.60
  4. Step 4: Simplify right side
    254,694.80x = 86,776,530,448.92
  5. Step 5: Solve for x
    x = 86,776,530,448.92/254,694.80
  6. Step 6: Final answer
    x = 340,707.90

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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.