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Finding the Fourth Proportional to 675,608.74, 1,013,413.75 and 276,249.51

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Solution

The fourth proportional to 675,608.74, 1,013,413.75 and 276,249.51 is: 414,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,608.74 : 1,013,413.75 = 276,249.51 : x
  2. Step 2: Convert to fraction form
    675,608.74/1,013,413.75 = 276,249.51/x
  3. Step 3: Cross multiply
    675,608.74x = 1,013,413.75 × 276,249.51
  4. Step 4: Simplify right side
    675,608.74x = 279,955,051,174.14
  5. Step 5: Solve for x
    x = 279,955,051,174.14/675,608.74
  6. Step 6: Final answer
    x = 414,374.53

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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.