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Finding the Fourth Proportional to 800,794.86, 1,200,842.36 and 239,698.14

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Solution

The fourth proportional to 800,794.86, 1,200,842.36 and 239,698.14 is: 359,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,794.86 : 1,200,842.36 = 239,698.14 : x
  2. Step 2: Convert to fraction form
    800,794.86/1,200,842.36 = 239,698.14/x
  3. Step 3: Cross multiply
    800,794.86x = 1,200,842.36 × 239,698.14
  4. Step 4: Simplify right side
    800,794.86x = 287,839,676,670.73
  5. Step 5: Solve for x
    x = 287,839,676,670.73/800,794.86
  6. Step 6: Final answer
    x = 359,442.46

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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.