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Finding the Fourth Proportional to 276,474.06, 414,827.73 and 254,407.23

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Solution

The fourth proportional to 276,474.06, 414,827.73 and 254,407.23 is: 381,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,474.06 : 414,827.73 = 254,407.23 : x
  2. Step 2: Convert to fraction form
    276,474.06/414,827.73 = 254,407.23/x
  3. Step 3: Cross multiply
    276,474.06x = 414,827.73 × 254,407.23
  4. Step 4: Simplify right side
    276,474.06x = 105,535,173,716.49
  5. Step 5: Solve for x
    x = 105,535,173,716.49/276,474.06
  6. Step 6: Final answer
    x = 381,718.18

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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.