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Finding the Fourth Proportional to 276,651.45, 414,393.98 and 276,651.45

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Solution

The fourth proportional to 276,651.45, 414,393.98 and 276,651.45 is: 414,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,651.45 : 414,393.98 = 276,651.45 : x
  2. Step 2: Convert to fraction form
    276,651.45/414,393.98 = 276,651.45/x
  3. Step 3: Cross multiply
    276,651.45x = 414,393.98 × 276,651.45
  4. Step 4: Simplify right side
    276,651.45x = 114,642,694,055.01
  5. Step 5: Solve for x
    x = 114,642,694,055.01/276,651.45
  6. Step 6: Final answer
    x = 414,393.98

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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.