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Finding the Fourth Proportional to 321,793.62, 444,045.83 and 190,948.72

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Solution

The fourth proportional to 321,793.62, 444,045.83 and 190,948.72 is: 263,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,793.62 : 444,045.83 = 190,948.72 : x
  2. Step 2: Convert to fraction form
    321,793.62/444,045.83 = 190,948.72/x
  3. Step 3: Cross multiply
    321,793.62x = 444,045.83 × 190,948.72
  4. Step 4: Simplify right side
    321,793.62x = 84,789,982,859.84
  5. Step 5: Solve for x
    x = 84,789,982,859.84/321,793.62
  6. Step 6: Final answer
    x = 263,491.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.