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Finding the Fourth Proportional to 321,957.91, 444,279.68 and 178,706.67

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Solution

The fourth proportional to 321,957.91, 444,279.68 and 178,706.67 is: 246,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,957.91 : 444,279.68 = 178,706.67 : x
  2. Step 2: Convert to fraction form
    321,957.91/444,279.68 = 178,706.67/x
  3. Step 3: Cross multiply
    321,957.91x = 444,279.68 × 178,706.67
  4. Step 4: Simplify right side
    321,957.91x = 79,395,743,776.33
  5. Step 5: Solve for x
    x = 79,395,743,776.33/321,957.91
  6. Step 6: Final answer
    x = 246,602.87

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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.