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Finding the Fourth Proportional to 443,654.04, 665,481.06 and 111,230.04

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Solution

The fourth proportional to 443,654.04, 665,481.06 and 111,230.04 is: 166,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,654.04 : 665,481.06 = 111,230.04 : x
  2. Step 2: Convert to fraction form
    443,654.04/665,481.06 = 111,230.04/x
  3. Step 3: Cross multiply
    443,654.04x = 665,481.06 × 111,230.04
  4. Step 4: Simplify right side
    443,654.04x = 74,021,484,923.04
  5. Step 5: Solve for x
    x = 74,021,484,923.04/443,654.04
  6. Step 6: Final answer
    x = 166,845.06

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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.