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Finding the Fourth Proportional to 276,043.60, 414,065.40 and 192,062.80

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Solution

The fourth proportional to 276,043.60, 414,065.40 and 192,062.80 is: 288,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,043.60 : 414,065.40 = 192,062.80 : x
  2. Step 2: Convert to fraction form
    276,043.60/414,065.40 = 192,062.80/x
  3. Step 3: Cross multiply
    276,043.60x = 414,065.40 × 192,062.80
  4. Step 4: Simplify right side
    276,043.60x = 79,526,560,107.12
  5. Step 5: Solve for x
    x = 79,526,560,107.12/276,043.60
  6. Step 6: Final answer
    x = 288,094.20

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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.