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Finding the Fourth Proportional to 446,309.85, 669,464.64 and 130,766.67

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Solution

The fourth proportional to 446,309.85, 669,464.64 and 130,766.67 is: 196,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,309.85 : 669,464.64 = 130,766.67 : x
  2. Step 2: Convert to fraction form
    446,309.85/669,464.64 = 130,766.67/x
  3. Step 3: Cross multiply
    446,309.85x = 669,464.64 × 130,766.67
  4. Step 4: Simplify right side
    446,309.85x = 87,543,661,655.55
  5. Step 5: Solve for x
    x = 87,543,661,655.55/446,309.85
  6. Step 6: Final answer
    x = 196,149.97

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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.