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Finding the Fourth Proportional to 443,226.73, 611,675.78 and 271,090.69

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Solution

The fourth proportional to 443,226.73, 611,675.78 and 271,090.69 is: 374,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,226.73 : 611,675.78 = 271,090.69 : x
  2. Step 2: Convert to fraction form
    443,226.73/611,675.78 = 271,090.69/x
  3. Step 3: Cross multiply
    443,226.73x = 611,675.78 × 271,090.69
  4. Step 4: Simplify right side
    443,226.73x = 165,819,609,256.49
  5. Step 5: Solve for x
    x = 165,819,609,256.49/443,226.73
  6. Step 6: Final answer
    x = 374,119.15

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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.