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Finding the Fourth Proportional to 276,504.28, 414,639.03 and 116,651.89

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Solution

The fourth proportional to 276,504.28, 414,639.03 and 116,651.89 is: 174,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,504.28 : 414,639.03 = 116,651.89 : x
  2. Step 2: Convert to fraction form
    276,504.28/414,639.03 = 116,651.89/x
  3. Step 3: Cross multiply
    276,504.28x = 414,639.03 × 116,651.89
  4. Step 4: Simplify right side
    276,504.28x = 48,368,426,517.27
  5. Step 5: Solve for x
    x = 48,368,426,517.27/276,504.28
  6. Step 6: Final answer
    x = 174,928.31

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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.