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Finding the Fourth Proportional to 306,094.40, 458,234.40 and 227,556.80

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Solution

The fourth proportional to 306,094.40, 458,234.40 and 227,556.80 is: 340,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,094.40 : 458,234.40 = 227,556.80 : x
  2. Step 2: Convert to fraction form
    306,094.40/458,234.40 = 227,556.80/x
  3. Step 3: Cross multiply
    306,094.40x = 458,234.40 × 227,556.80
  4. Step 4: Simplify right side
    306,094.40x = 104,274,353,713.92
  5. Step 5: Solve for x
    x = 104,274,353,713.92/306,094.40
  6. Step 6: Final answer
    x = 340,660.77

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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.