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Finding the Fourth Proportional to 322,176.45, 444,603.48 and 178,949.82

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Solution

The fourth proportional to 322,176.45, 444,603.48 and 178,949.82 is: 246,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,176.45 : 444,603.48 = 178,949.82 : x
  2. Step 2: Convert to fraction form
    322,176.45/444,603.48 = 178,949.82/x
  3. Step 3: Cross multiply
    322,176.45x = 444,603.48 × 178,949.82
  4. Step 4: Simplify right side
    322,176.45x = 79,561,710,494.36
  5. Step 5: Solve for x
    x = 79,561,710,494.36/322,176.45
  6. Step 6: Final answer
    x = 246,950.74

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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.