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Finding the Fourth Proportional to 367,205.86, 550,365.85 and 189,616.06

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Solution

The fourth proportional to 367,205.86, 550,365.85 and 189,616.06 is: 284,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,205.86 : 550,365.85 = 189,616.06 : x
  2. Step 2: Convert to fraction form
    367,205.86/550,365.85 = 189,616.06/x
  3. Step 3: Cross multiply
    367,205.86x = 550,365.85 × 189,616.06
  4. Step 4: Simplify right side
    367,205.86x = 104,358,204,960.53
  5. Step 5: Solve for x
    x = 104,358,204,960.53/367,205.86
  6. Step 6: Final answer
    x = 284,195.37

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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.