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Finding the Fourth Proportional to 367,209.58, 550,371.48 and 189,619.78

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Solution

The fourth proportional to 367,209.58, 550,371.48 and 189,619.78 is: 284,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,209.58 : 550,371.48 = 189,619.78 : x
  2. Step 2: Convert to fraction form
    367,209.58/550,371.48 = 189,619.78/x
  3. Step 3: Cross multiply
    367,209.58x = 550,371.48 × 189,619.78
  4. Step 4: Simplify right side
    367,209.58x = 104,361,318,955.87
  5. Step 5: Solve for x
    x = 104,361,318,955.87/367,209.58
  6. Step 6: Final answer
    x = 284,200.97

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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.