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Finding the Fourth Proportional to 998,488.80, 1,494,622.80 and 967,384.80

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Solution

The fourth proportional to 998,488.80, 1,494,622.80 and 967,384.80 is: 1,448,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,488.80 : 1,494,622.80 = 967,384.80 : x
  2. Step 2: Convert to fraction form
    998,488.80/1,494,622.80 = 967,384.80/x
  3. Step 3: Cross multiply
    998,488.80x = 1,494,622.80 × 967,384.80
  4. Step 4: Simplify right side
    998,488.80x = 1,445,875,378,453.44
  5. Step 5: Solve for x
    x = 1,445,875,378,453.44/998,488.80
  6. Step 6: Final answer
    x = 1,448,063.69

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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.