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Finding the Fourth Proportional to 300,688.78, 414,950.70 and 164,727.67

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Solution

The fourth proportional to 300,688.78, 414,950.70 and 164,727.67 is: 227,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,688.78 : 414,950.70 = 164,727.67 : x
  2. Step 2: Convert to fraction form
    300,688.78/414,950.70 = 164,727.67/x
  3. Step 3: Cross multiply
    300,688.78x = 414,950.70 × 164,727.67
  4. Step 4: Simplify right side
    300,688.78x = 68,353,861,975.87
  5. Step 5: Solve for x
    x = 68,353,861,975.87/300,688.78
  6. Step 6: Final answer
    x = 227,324.29

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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.