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Finding the Fourth Proportional to 443,247.39, 664,871.09 and 110,823.39

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Solution

The fourth proportional to 443,247.39, 664,871.09 and 110,823.39 is: 166,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,247.39 : 664,871.09 = 110,823.39 : x
  2. Step 2: Convert to fraction form
    443,247.39/664,871.09 = 110,823.39/x
  3. Step 3: Cross multiply
    443,247.39x = 664,871.09 × 110,823.39
  4. Step 4: Simplify right side
    443,247.39x = 73,683,267,552.68
  5. Step 5: Solve for x
    x = 73,683,267,552.68/443,247.39
  6. Step 6: Final answer
    x = 166,235.09

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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.