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Finding the Fourth Proportional to 585,622.62, 877,843.44 and 445,086

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Solution

The fourth proportional to 585,622.62, 877,843.44 and 445,086 is: 667,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,622.62 : 877,843.44 = 445,086 : x
  2. Step 2: Convert to fraction form
    585,622.62/877,843.44 = 445,086/x
  3. Step 3: Cross multiply
    585,622.62x = 877,843.44 × 445,086
  4. Step 4: Simplify right side
    585,622.62x = 390,715,825,335.84
  5. Step 5: Solve for x
    x = 390,715,825,335.84/585,622.62
  6. Step 6: Final answer
    x = 667,180.21

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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.