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Finding the Fourth Proportional to 323,287.38, 446,015.97 and 322,788.96

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Solution

The fourth proportional to 323,287.38, 446,015.97 and 322,788.96 is: 445,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,287.38 : 446,015.97 = 322,788.96 : x
  2. Step 2: Convert to fraction form
    323,287.38/446,015.97 = 322,788.96/x
  3. Step 3: Cross multiply
    323,287.38x = 446,015.97 × 322,788.96
  4. Step 4: Simplify right side
    323,287.38x = 143,969,031,099.69
  5. Step 5: Solve for x
    x = 143,969,031,099.69/323,287.38
  6. Step 6: Final answer
    x = 445,328.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.