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Finding the Fourth Proportional to 276,425.00, 414,591.26 and 76,765.57

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Solution

The fourth proportional to 276,425.00, 414,591.26 and 76,765.57 is: 115,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,425.00 : 414,591.26 = 76,765.57 : x
  2. Step 2: Convert to fraction form
    276,425.00/414,591.26 = 76,765.57/x
  3. Step 3: Cross multiply
    276,425.00x = 414,591.26 × 76,765.57
  4. Step 4: Simplify right side
    276,425.00x = 31,826,335,734.49
  5. Step 5: Solve for x
    x = 31,826,335,734.49/276,425.00
  6. Step 6: Final answer
    x = 115,135.52

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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.