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Finding the Fourth Proportional to 307,999.50, 462,183.57 and 132,895.50

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Solution

The fourth proportional to 307,999.50, 462,183.57 and 132,895.50 is: 199,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,999.50 : 462,183.57 = 132,895.50 : x
  2. Step 2: Convert to fraction form
    307,999.50/462,183.57 = 132,895.50/x
  3. Step 3: Cross multiply
    307,999.50x = 462,183.57 × 132,895.50
  4. Step 4: Simplify right side
    307,999.50x = 61,422,116,626.94
  5. Step 5: Solve for x
    x = 61,422,116,626.94/307,999.50
  6. Step 6: Final answer
    x = 199,422.78

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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.