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Finding the Fourth Proportional to 300,724.80, 451,202.40 and 296,001.60

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Solution

The fourth proportional to 300,724.80, 451,202.40 and 296,001.60 is: 444,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,724.80 : 451,202.40 = 296,001.60 : x
  2. Step 2: Convert to fraction form
    300,724.80/451,202.40 = 296,001.60/x
  3. Step 3: Cross multiply
    300,724.80x = 451,202.40 × 296,001.60
  4. Step 4: Simplify right side
    300,724.80x = 133,556,632,323.84
  5. Step 5: Solve for x
    x = 133,556,632,323.84/300,724.80
  6. Step 6: Final answer
    x = 444,115.79

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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.