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Finding the Fourth Proportional to 322,975.74, 445,586.46 and 322,477.50

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Solution

The fourth proportional to 322,975.74, 445,586.46 and 322,477.50 is: 444,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,975.74 : 445,586.46 = 322,477.50 : x
  2. Step 2: Convert to fraction form
    322,975.74/445,586.46 = 322,477.50/x
  3. Step 3: Cross multiply
    322,975.74x = 445,586.46 × 322,477.50
  4. Step 4: Simplify right side
    322,975.74x = 143,691,607,654.65
  5. Step 5: Solve for x
    x = 143,691,607,654.65/322,975.74
  6. Step 6: Final answer
    x = 444,899.07

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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.