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Finding the Fourth Proportional to 323,044.46, 445,681.79 and 322,546.25

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Solution

The fourth proportional to 323,044.46, 445,681.79 and 322,546.25 is: 444,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,044.46 : 445,681.79 = 322,546.25 : x
  2. Step 2: Convert to fraction form
    323,044.46/445,681.79 = 322,546.25/x
  3. Step 3: Cross multiply
    323,044.46x = 445,681.79 × 322,546.25
  4. Step 4: Simplify right side
    323,044.46x = 143,752,986,216.65
  5. Step 5: Solve for x
    x = 143,752,986,216.65/323,044.46
  6. Step 6: Final answer
    x = 444,994.43

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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.