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Finding the Fourth Proportional to 1,809,537.72, 2,713,273.02 and 743,703

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Solution

The fourth proportional to 1,809,537.72, 2,713,273.02 and 743,703 is: 1,115,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,537.72 : 2,713,273.02 = 743,703 : x
  2. Step 2: Convert to fraction form
    1,809,537.72/2,713,273.02 = 743,703/x
  3. Step 3: Cross multiply
    1,809,537.72x = 2,713,273.02 × 743,703
  4. Step 4: Simplify right side
    1,809,537.72x = 2,017,869,284,793.06
  5. Step 5: Solve for x
    x = 2,017,869,284,793.06/1,809,537.72
  6. Step 6: Final answer
    x = 1,115,129.72

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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.