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Finding the Fourth Proportional to 366,911.99, 550,422.63 and 130,234.85

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Solution

The fourth proportional to 366,911.99, 550,422.63 and 130,234.85 is: 195,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.99 : 550,422.63 = 130,234.85 : x
  2. Step 2: Convert to fraction form
    366,911.99/550,422.63 = 130,234.85/x
  3. Step 3: Cross multiply
    366,911.99x = 550,422.63 × 130,234.85
  4. Step 4: Simplify right side
    366,911.99x = 71,684,208,654.66
  5. Step 5: Solve for x
    x = 71,684,208,654.66/366,911.99
  6. Step 6: Final answer
    x = 195,371.67

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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.