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Finding the Fourth Proportional to 1,803,194, 2,488,485.48 and 998,378

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Solution

The fourth proportional to 1,803,194, 2,488,485.48 and 998,378 is: 1,377,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,194 : 2,488,485.48 = 998,378 : x
  2. Step 2: Convert to fraction form
    1,803,194/2,488,485.48 = 998,378/x
  3. Step 3: Cross multiply
    1,803,194x = 2,488,485.48 × 998,378
  4. Step 4: Simplify right side
    1,803,194x = 2,484,449,156,551.44
  5. Step 5: Solve for x
    x = 2,484,449,156,551.44/1,803,194
  6. Step 6: Final answer
    x = 1,377,804.69

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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.