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Finding the Fourth Proportional to 1,948,361.04, 2,919,975.44 and 825,040.08

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Solution

The fourth proportional to 1,948,361.04, 2,919,975.44 and 825,040.08 is: 1,236,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,361.04 : 2,919,975.44 = 825,040.08 : x
  2. Step 2: Convert to fraction form
    1,948,361.04/2,919,975.44 = 825,040.08/x
  3. Step 3: Cross multiply
    1,948,361.04x = 2,919,975.44 × 825,040.08
  4. Step 4: Simplify right side
    1,948,361.04x = 2,409,096,770,615.64
  5. Step 5: Solve for x
    x = 2,409,096,770,615.64/1,948,361.04
  6. Step 6: Final answer
    x = 1,236,473.49

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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.