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Finding the Fourth Proportional to 444,668.65, 667,100.18 and 220,136.65

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Solution

The fourth proportional to 444,668.65, 667,100.18 and 220,136.65 is: 330,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,668.65 : 667,100.18 = 220,136.65 : x
  2. Step 2: Convert to fraction form
    444,668.65/667,100.18 = 220,136.65/x
  3. Step 3: Cross multiply
    444,668.65x = 667,100.18 × 220,136.65
  4. Step 4: Simplify right side
    444,668.65x = 146,853,197,738.91
  5. Step 5: Solve for x
    x = 146,853,197,738.91/444,668.65
  6. Step 6: Final answer
    x = 330,253.09

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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.