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Finding the Fourth Proportional to 294,079.44, 441,084.08 and 80,869

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Solution

The fourth proportional to 294,079.44, 441,084.08 and 80,869 is: 121,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,079.44 : 441,084.08 = 80,869 : x
  2. Step 2: Convert to fraction form
    294,079.44/441,084.08 = 80,869/x
  3. Step 3: Cross multiply
    294,079.44x = 441,084.08 × 80,869
  4. Step 4: Simplify right side
    294,079.44x = 35,670,028,465.52
  5. Step 5: Solve for x
    x = 35,670,028,465.52/294,079.44
  6. Step 6: Final answer
    x = 121,293.85

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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.