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Finding the Fourth Proportional to 4,228,978.07, 5,835,995.49 and 2,295,238.67

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Solution

The fourth proportional to 4,228,978.07, 5,835,995.49 and 2,295,238.67 is: 3,167,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228,978.07 : 5,835,995.49 = 2,295,238.67 : x
  2. Step 2: Convert to fraction form
    4,228,978.07/5,835,995.49 = 2,295,238.67/x
  3. Step 3: Cross multiply
    4,228,978.07x = 5,835,995.49 × 2,295,238.67
  4. Step 4: Simplify right side
    4,228,978.07x = 13,395,002,497,413.62
  5. Step 5: Solve for x
    x = 13,395,002,497,413.62/4,228,978.07
  6. Step 6: Final answer
    x = 3,167,432.48

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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.