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Finding the Fourth Proportional to 446,500.80, 669,751.20 and 151,012.80

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Solution

The fourth proportional to 446,500.80, 669,751.20 and 151,012.80 is: 226,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,500.80 : 669,751.20 = 151,012.80 : x
  2. Step 2: Convert to fraction form
    446,500.80/669,751.20 = 151,012.80/x
  3. Step 3: Cross multiply
    446,500.80x = 669,751.20 × 151,012.80
  4. Step 4: Simplify right side
    446,500.80x = 101,141,004,015.36
  5. Step 5: Solve for x
    x = 101,141,004,015.36/446,500.80
  6. Step 6: Final answer
    x = 226,519.20

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Similar ratio
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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.