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Finding the Fourth Proportional to 2,245,978.88, 3,368,472 and 648,194.36

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Solution

The fourth proportional to 2,245,978.88, 3,368,472 and 648,194.36 is: 972,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245,978.88 : 3,368,472 = 648,194.36 : x
  2. Step 2: Convert to fraction form
    2,245,978.88/3,368,472 = 648,194.36/x
  3. Step 3: Cross multiply
    2,245,978.88x = 3,368,472 × 648,194.36
  4. Step 4: Simplify right side
    2,245,978.88x = 2,183,424,552,217.92
  5. Step 5: Solve for x
    x = 2,183,424,552,217.92/2,245,978.88
  6. Step 6: Final answer
    x = 972,148.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.