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Finding the Fourth Proportional to 322,135.88, 444,529.86 and 178,886.84

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Solution

The fourth proportional to 322,135.88, 444,529.86 and 178,886.84 is: 246,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,135.88 : 444,529.86 = 178,886.84 : x
  2. Step 2: Convert to fraction form
    322,135.88/444,529.86 = 178,886.84/x
  3. Step 3: Cross multiply
    322,135.88x = 444,529.86 × 178,886.84
  4. Step 4: Simplify right side
    322,135.88x = 79,520,541,941.04
  5. Step 5: Solve for x
    x = 79,520,541,941.04/322,135.88
  6. Step 6: Final answer
    x = 246,854.04

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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.