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Finding the Fourth Proportional to 1,275,942.06, 1,760,799.07 and 702,982.23

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Solution

The fourth proportional to 1,275,942.06, 1,760,799.07 and 702,982.23 is: 970,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,942.06 : 1,760,799.07 = 702,982.23 : x
  2. Step 2: Convert to fraction form
    1,275,942.06/1,760,799.07 = 702,982.23/x
  3. Step 3: Cross multiply
    1,275,942.06x = 1,760,799.07 × 702,982.23
  4. Step 4: Simplify right side
    1,275,942.06x = 1,237,810,456,810.53
  5. Step 5: Solve for x
    x = 1,237,810,456,810.53/1,275,942.06
  6. Step 6: Final answer
    x = 970,114.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.