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Finding the Fourth Proportional to 322,140.63, 444,554.42 and 178,900.95

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Solution

The fourth proportional to 322,140.63, 444,554.42 and 178,900.95 is: 246,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,140.63 : 444,554.42 = 178,900.95 : x
  2. Step 2: Convert to fraction form
    322,140.63/444,554.42 = 178,900.95/x
  3. Step 3: Cross multiply
    322,140.63x = 444,554.42 × 178,900.95
  4. Step 4: Simplify right side
    322,140.63x = 79,531,208,064.70
  5. Step 5: Solve for x
    x = 79,531,208,064.70/322,140.63
  6. Step 6: Final answer
    x = 246,883.51

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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.