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Finding the Fourth Proportional to 321,850.52, 444,168.88 and 178,611.74

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Solution

The fourth proportional to 321,850.52, 444,168.88 and 178,611.74 is: 246,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,850.52 : 444,168.88 = 178,611.74 : x
  2. Step 2: Convert to fraction form
    321,850.52/444,168.88 = 178,611.74/x
  3. Step 3: Cross multiply
    321,850.52x = 444,168.88 × 178,611.74
  4. Step 4: Simplify right side
    321,850.52x = 79,333,776,510.65
  5. Step 5: Solve for x
    x = 79,333,776,510.65/321,850.52
  6. Step 6: Final answer
    x = 246,492.62

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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.