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Finding the Fourth Proportional to 446,624.40, 669,936.60 and 304,906.80

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Solution

The fourth proportional to 446,624.40, 669,936.60 and 304,906.80 is: 457,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,624.40 : 669,936.60 = 304,906.80 : x
  2. Step 2: Convert to fraction form
    446,624.40/669,936.60 = 304,906.80/x
  3. Step 3: Cross multiply
    446,624.40x = 669,936.60 × 304,906.80
  4. Step 4: Simplify right side
    446,624.40x = 204,268,224,908.88
  5. Step 5: Solve for x
    x = 204,268,224,908.88/446,624.40
  6. Step 6: Final answer
    x = 457,360.20

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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.