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Finding the Fourth Proportional to 303,958.80, 456,715.80 and 269,744.40

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Solution

The fourth proportional to 303,958.80, 456,715.80 and 269,744.40 is: 405,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,958.80 : 456,715.80 = 269,744.40 : x
  2. Step 2: Convert to fraction form
    303,958.80/456,715.80 = 269,744.40/x
  3. Step 3: Cross multiply
    303,958.80x = 456,715.80 × 269,744.40
  4. Step 4: Simplify right side
    303,958.80x = 123,196,529,441.52
  5. Step 5: Solve for x
    x = 123,196,529,441.52/303,958.80
  6. Step 6: Final answer
    x = 405,306.67

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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.