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Finding the Fourth Proportional to 293,958.56, 440,890.60 and 80,676.64

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Solution

The fourth proportional to 293,958.56, 440,890.60 and 80,676.64 is: 121,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,958.56 : 440,890.60 = 80,676.64 : x
  2. Step 2: Convert to fraction form
    293,958.56/440,890.60 = 80,676.64/x
  3. Step 3: Cross multiply
    293,958.56x = 440,890.60 × 80,676.64
  4. Step 4: Simplify right side
    293,958.56x = 35,569,572,215.58
  5. Step 5: Solve for x
    x = 35,569,572,215.58/293,958.56
  6. Step 6: Final answer
    x = 121,002.00

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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.