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Finding the Fourth Proportional to 446,361.70, 669,331.41 and 172,935.94

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Solution

The fourth proportional to 446,361.70, 669,331.41 and 172,935.94 is: 259,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,361.70 : 669,331.41 = 172,935.94 : x
  2. Step 2: Convert to fraction form
    446,361.70/669,331.41 = 172,935.94/x
  3. Step 3: Cross multiply
    446,361.70x = 669,331.41 × 172,935.94
  4. Step 4: Simplify right side
    446,361.70x = 115,751,456,559.88
  5. Step 5: Solve for x
    x = 115,751,456,559.88/446,361.70
  6. Step 6: Final answer
    x = 259,322.11

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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.