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Finding the Fourth Proportional to 443,951.77, 665,720.62 and 230,662.35

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Solution

The fourth proportional to 443,951.77, 665,720.62 and 230,662.35 is: 345,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,951.77 : 665,720.62 = 230,662.35 : x
  2. Step 2: Convert to fraction form
    443,951.77/665,720.62 = 230,662.35/x
  3. Step 3: Cross multiply
    443,951.77x = 665,720.62 × 230,662.35
  4. Step 4: Simplify right side
    443,951.77x = 153,556,682,652.66
  5. Step 5: Solve for x
    x = 153,556,682,652.66/443,951.77
  6. Step 6: Final answer
    x = 345,885.96

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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.