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Finding the Fourth Proportional to 1,333,133.73, 1,999,700.64 and 733,786.38

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Solution

The fourth proportional to 1,333,133.73, 1,999,700.64 and 733,786.38 is: 1,100,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,133.73 : 1,999,700.64 = 733,786.38 : x
  2. Step 2: Convert to fraction form
    1,333,133.73/1,999,700.64 = 733,786.38/x
  3. Step 3: Cross multiply
    1,333,133.73x = 1,999,700.64 × 733,786.38
  4. Step 4: Simplify right side
    1,333,133.73x = 1,467,353,093,709.28
  5. Step 5: Solve for x
    x = 1,467,353,093,709.28/1,333,133.73
  6. Step 6: Final answer
    x = 1,100,679.59

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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.