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Finding the Fourth Proportional to 483,450.28, 666,946.74 and 322,147.96

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Solution

The fourth proportional to 483,450.28, 666,946.74 and 322,147.96 is: 444,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,450.28 : 666,946.74 = 322,147.96 : x
  2. Step 2: Convert to fraction form
    483,450.28/666,946.74 = 322,147.96/x
  3. Step 3: Cross multiply
    483,450.28x = 666,946.74 × 322,147.96
  4. Step 4: Simplify right side
    483,450.28x = 214,855,531,719.65
  5. Step 5: Solve for x
    x = 214,855,531,719.65/483,450.28
  6. Step 6: Final answer
    x = 444,421.15

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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.