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Finding the Fourth Proportional to 443,755.35, 665,633.03 and 443,755.35

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Solution

The fourth proportional to 443,755.35, 665,633.03 and 443,755.35 is: 665,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,755.35 : 665,633.03 = 443,755.35 : x
  2. Step 2: Convert to fraction form
    443,755.35/665,633.03 = 443,755.35/x
  3. Step 3: Cross multiply
    443,755.35x = 665,633.03 × 443,755.35
  4. Step 4: Simplify right side
    443,755.35x = 295,378,215,980.43
  5. Step 5: Solve for x
    x = 295,378,215,980.43/443,755.35
  6. Step 6: Final answer
    x = 665,633.03

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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.