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Finding the Fourth Proportional to 443,695.80, 665,961.30 and 233,484.60

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Solution

The fourth proportional to 443,695.80, 665,961.30 and 233,484.60 is: 350,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,695.80 : 665,961.30 = 233,484.60 : x
  2. Step 2: Convert to fraction form
    443,695.80/665,961.30 = 233,484.60/x
  3. Step 3: Cross multiply
    443,695.80x = 665,961.30 × 233,484.60
  4. Step 4: Simplify right side
    443,695.80x = 155,491,707,745.98
  5. Step 5: Solve for x
    x = 155,491,707,745.98/443,695.80
  6. Step 6: Final answer
    x = 350,446.65

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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.