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Finding the Fourth Proportional to 367,205.21, 550,364.87 and 189,615.41

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Solution

The fourth proportional to 367,205.21, 550,364.87 and 189,615.41 is: 284,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,205.21 : 550,364.87 = 189,615.41 : x
  2. Step 2: Convert to fraction form
    367,205.21/550,364.87 = 189,615.41/x
  3. Step 3: Cross multiply
    367,205.21x = 550,364.87 × 189,615.41
  4. Step 4: Simplify right side
    367,205.21x = 104,357,657,722.82
  5. Step 5: Solve for x
    x = 104,357,657,722.82/367,205.21
  6. Step 6: Final answer
    x = 284,194.39

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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.