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Finding the Fourth Proportional to 1,795,361.76, 2,477,637.72 and 979,581.60

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Solution

The fourth proportional to 1,795,361.76, 2,477,637.72 and 979,581.60 is: 1,351,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,361.76 : 2,477,637.72 = 979,581.60 : x
  2. Step 2: Convert to fraction form
    1,795,361.76/2,477,637.72 = 979,581.60/x
  3. Step 3: Cross multiply
    1,795,361.76x = 2,477,637.72 × 979,581.60
  4. Step 4: Simplify right side
    1,795,361.76x = 2,427,048,321,977.95
  5. Step 5: Solve for x
    x = 2,427,048,321,977.95/1,795,361.76
  6. Step 6: Final answer
    x = 1,351,843.61

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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.