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Finding the Fourth Proportional to 294,015.69, 440,982.02 and 94,310.12

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Solution

The fourth proportional to 294,015.69, 440,982.02 and 94,310.12 is: 141,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,015.69 : 440,982.02 = 94,310.12 : x
  2. Step 2: Convert to fraction form
    294,015.69/440,982.02 = 94,310.12/x
  3. Step 3: Cross multiply
    294,015.69x = 440,982.02 × 94,310.12
  4. Step 4: Simplify right side
    294,015.69x = 41,589,068,562.27
  5. Step 5: Solve for x
    x = 41,589,068,562.27/294,015.69
  6. Step 6: Final answer
    x = 141,451.87

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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.