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Finding the Fourth Proportional to 193,286.15, 289,437.15 and 184,428.80

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Solution

The fourth proportional to 193,286.15, 289,437.15 and 184,428.80 is: 276,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,286.15 : 289,437.15 = 184,428.80 : x
  2. Step 2: Convert to fraction form
    193,286.15/289,437.15 = 184,428.80/x
  3. Step 3: Cross multiply
    193,286.15x = 289,437.15 × 184,428.80
  4. Step 4: Simplify right side
    193,286.15x = 53,380,546,249.92
  5. Step 5: Solve for x
    x = 53,380,546,249.92/193,286.15
  6. Step 6: Final answer
    x = 276,173.67

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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.