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Finding the Fourth Proportional to 300,237.98, 451,437.24 and 276,831.87

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Solution

The fourth proportional to 300,237.98, 451,437.24 and 276,831.87 is: 416,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,237.98 : 451,437.24 = 276,831.87 : x
  2. Step 2: Convert to fraction form
    300,237.98/451,437.24 = 276,831.87/x
  3. Step 3: Cross multiply
    300,237.98x = 451,437.24 × 276,831.87
  4. Step 4: Simplify right side
    300,237.98x = 124,972,215,336.84
  5. Step 5: Solve for x
    x = 124,972,215,336.84/300,237.98
  6. Step 6: Final answer
    x = 416,243.86

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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.