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Finding the Fourth Proportional to 5,198,958.04, 7,795,435.32 and 1,603,759.66

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Solution

The fourth proportional to 5,198,958.04, 7,795,435.32 and 1,603,759.66 is: 2,404,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198,958.04 : 7,795,435.32 = 1,603,759.66 : x
  2. Step 2: Convert to fraction form
    5,198,958.04/7,795,435.32 = 1,603,759.66/x
  3. Step 3: Cross multiply
    5,198,958.04x = 7,795,435.32 × 1,603,759.66
  4. Step 4: Simplify right side
    5,198,958.04x = 12,502,004,698,355.19
  5. Step 5: Solve for x
    x = 12,502,004,698,355.19/5,198,958.04
  6. Step 6: Final answer
    x = 2,404,713.52

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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.