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Finding the Fourth Proportional to 321,818.76, 444,073.86 and 178,584.84

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Solution

The fourth proportional to 321,818.76, 444,073.86 and 178,584.84 is: 246,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,818.76 : 444,073.86 = 178,584.84 : x
  2. Step 2: Convert to fraction form
    321,818.76/444,073.86 = 178,584.84/x
  3. Step 3: Cross multiply
    321,818.76x = 444,073.86 × 178,584.84
  4. Step 4: Simplify right side
    321,818.76x = 79,304,859,236.28
  5. Step 5: Solve for x
    x = 79,304,859,236.28/321,818.76
  6. Step 6: Final answer
    x = 246,427.09

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1.5x scale

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.