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Finding the Fourth Proportional to 1,749,669.69, 2,624,504.57 and 419,973.69

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Solution

The fourth proportional to 1,749,669.69, 2,624,504.57 and 419,973.69 is: 629,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,669.69 : 2,624,504.57 = 419,973.69 : x
  2. Step 2: Convert to fraction form
    1,749,669.69/2,624,504.57 = 419,973.69/x
  3. Step 3: Cross multiply
    1,749,669.69x = 2,624,504.57 × 419,973.69
  4. Step 4: Simplify right side
    1,749,669.69x = 1,102,222,866,584.89
  5. Step 5: Solve for x
    x = 1,102,222,866,584.89/1,749,669.69
  6. Step 6: Final answer
    x = 629,960.54

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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.