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Finding the Fourth Proportional to 443,450.76, 665,241.78 and 162,946.14

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Solution

The fourth proportional to 443,450.76, 665,241.78 and 162,946.14 is: 244,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,450.76 : 665,241.78 = 162,946.14 : x
  2. Step 2: Convert to fraction form
    443,450.76/665,241.78 = 162,946.14/x
  3. Step 3: Cross multiply
    443,450.76x = 665,241.78 × 162,946.14
  4. Step 4: Simplify right side
    443,450.76x = 108,398,580,217.73
  5. Step 5: Solve for x
    x = 108,398,580,217.73/443,450.76
  6. Step 6: Final answer
    x = 244,443.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.