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Finding the Fourth Proportional to 276,809.40, 414,522.90 and 182,806.20

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Solution

The fourth proportional to 276,809.40, 414,522.90 and 182,806.20 is: 273,752.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,809.40 : 414,522.90 = 182,806.20 : x
  2. Step 2: Convert to fraction form
    276,809.40/414,522.90 = 182,806.20/x
  3. Step 3: Cross multiply
    276,809.40x = 414,522.90 × 182,806.20
  4. Step 4: Simplify right side
    276,809.40x = 75,777,356,161.98
  5. Step 5: Solve for x
    x = 75,777,356,161.98/276,809.40
  6. Step 6: Final answer
    x = 273,752.83

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1.5x scale

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.