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Finding the Fourth Proportional to 298,667.70, 448,234.83 and 111,732.66

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Solution

The fourth proportional to 298,667.70, 448,234.83 and 111,732.66 is: 167,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,667.70 : 448,234.83 = 111,732.66 : x
  2. Step 2: Convert to fraction form
    298,667.70/448,234.83 = 111,732.66/x
  3. Step 3: Cross multiply
    298,667.70x = 448,234.83 × 111,732.66
  4. Step 4: Simplify right side
    298,667.70x = 50,082,469,860.55
  5. Step 5: Solve for x
    x = 50,082,469,860.55/298,667.70
  6. Step 6: Final answer
    x = 167,686.26

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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.