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Finding the Fourth Proportional to 671,949, 1,007,942.94 and 173,313

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Solution

The fourth proportional to 671,949, 1,007,942.94 and 173,313 is: 259,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,949 : 1,007,942.94 = 173,313 : x
  2. Step 2: Convert to fraction form
    671,949/1,007,942.94 = 173,313/x
  3. Step 3: Cross multiply
    671,949x = 1,007,942.94 × 173,313
  4. Step 4: Simplify right side
    671,949x = 174,689,614,760.22
  5. Step 5: Solve for x
    x = 174,689,614,760.22/671,949
  6. Step 6: Final answer
    x = 259,974.51

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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.