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Finding the Fourth Proportional to 3,608,201.49, 4,978,146.47 and 2,460,288.93

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Solution

The fourth proportional to 3,608,201.49, 4,978,146.47 and 2,460,288.93 is: 3,394,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,201.49 : 4,978,146.47 = 2,460,288.93 : x
  2. Step 2: Convert to fraction form
    3,608,201.49/4,978,146.47 = 2,460,288.93/x
  3. Step 3: Cross multiply
    3,608,201.49x = 4,978,146.47 × 2,460,288.93
  4. Step 4: Simplify right side
    3,608,201.49x = 12,247,678,652,059.58
  5. Step 5: Solve for x
    x = 12,247,678,652,059.58/3,608,201.49
  6. Step 6: Final answer
    x = 3,394,399.87

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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.