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Finding the Fourth Proportional to 443,601.06, 665,611.38 and 230,255.54

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Solution

The fourth proportional to 443,601.06, 665,611.38 and 230,255.54 is: 345,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,601.06 : 665,611.38 = 230,255.54 : x
  2. Step 2: Convert to fraction form
    443,601.06/665,611.38 = 230,255.54/x
  3. Step 3: Cross multiply
    443,601.06x = 665,611.38 × 230,255.54
  4. Step 4: Simplify right side
    443,601.06x = 153,260,707,732.05
  5. Step 5: Solve for x
    x = 153,260,707,732.05/443,601.06
  6. Step 6: Final answer
    x = 345,492.20

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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.