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Finding the Fourth Proportional to 446,239.88, 669,359.81 and 113,815.88

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Solution

The fourth proportional to 446,239.88, 669,359.81 and 113,815.88 is: 170,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,239.88 : 669,359.81 = 113,815.88 : x
  2. Step 2: Convert to fraction form
    446,239.88/669,359.81 = 113,815.88/x
  3. Step 3: Cross multiply
    446,239.88x = 669,359.81 × 113,815.88
  4. Step 4: Simplify right side
    446,239.88x = 76,183,772,749.52
  5. Step 5: Solve for x
    x = 76,183,772,749.52/446,239.88
  6. Step 6: Final answer
    x = 170,723.81

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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.