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Finding the Fourth Proportional to 606,081.28, 909,121.44 and 162,849.28

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Solution

The fourth proportional to 606,081.28, 909,121.44 and 162,849.28 is: 244,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,081.28 : 909,121.44 = 162,849.28 : x
  2. Step 2: Convert to fraction form
    606,081.28/909,121.44 = 162,849.28/x
  3. Step 3: Cross multiply
    606,081.28x = 909,121.44 × 162,849.28
  4. Step 4: Simplify right side
    606,081.28x = 148,049,771,936.56
  5. Step 5: Solve for x
    x = 148,049,771,936.56/606,081.28
  6. Step 6: Final answer
    x = 244,273.79

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Similar ratio
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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.