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Finding the Fourth Proportional to 441,924.47, 662,781.61 and 122,069.26

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Solution

The fourth proportional to 441,924.47, 662,781.61 and 122,069.26 is: 183,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,924.47 : 662,781.61 = 122,069.26 : x
  2. Step 2: Convert to fraction form
    441,924.47/662,781.61 = 122,069.26/x
  3. Step 3: Cross multiply
    441,924.47x = 662,781.61 × 122,069.26
  4. Step 4: Simplify right side
    441,924.47x = 80,905,260,968.73
  5. Step 5: Solve for x
    x = 80,905,260,968.73/441,924.47
  6. Step 6: Final answer
    x = 183,074.86

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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.