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Finding the Fourth Proportional to 303,441.93, 418,513.13 and 194,556.67

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Solution

The fourth proportional to 303,441.93, 418,513.13 and 194,556.67 is: 268,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,441.93 : 418,513.13 = 194,556.67 : x
  2. Step 2: Convert to fraction form
    303,441.93/418,513.13 = 194,556.67/x
  3. Step 3: Cross multiply
    303,441.93x = 418,513.13 × 194,556.67
  4. Step 4: Simplify right side
    303,441.93x = 81,424,519,634.60
  5. Step 5: Solve for x
    x = 81,424,519,634.60/303,441.93
  6. Step 6: Final answer
    x = 268,336.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.