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Finding the Fourth Proportional to 443,256.78, 664,885.14 and 110,832.78

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Solution

The fourth proportional to 443,256.78, 664,885.14 and 110,832.78 is: 166,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,256.78 : 664,885.14 = 110,832.78 : x
  2. Step 2: Convert to fraction form
    443,256.78/664,885.14 = 110,832.78/x
  3. Step 3: Cross multiply
    443,256.78x = 664,885.14 × 110,832.78
  4. Step 4: Simplify right side
    443,256.78x = 73,691,068,446.89
  5. Step 5: Solve for x
    x = 73,691,068,446.89/443,256.78
  6. Step 6: Final answer
    x = 166,249.16

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1.5x scale

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.