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Finding the Fourth Proportional to 443,651.04, 665,476.56 and 111,227.04

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Solution

The fourth proportional to 443,651.04, 665,476.56 and 111,227.04 is: 166,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,651.04 : 665,476.56 = 111,227.04 : x
  2. Step 2: Convert to fraction form
    443,651.04/665,476.56 = 111,227.04/x
  3. Step 3: Cross multiply
    443,651.04x = 665,476.56 × 111,227.04
  4. Step 4: Simplify right side
    443,651.04x = 74,018,987,958.18
  5. Step 5: Solve for x
    x = 74,018,987,958.18/443,651.04
  6. Step 6: Final answer
    x = 166,840.56

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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.