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Finding the Fourth Proportional to 369,750.85, 554,243.55 and 200,914.45

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Solution

The fourth proportional to 369,750.85, 554,243.55 and 200,914.45 is: 301,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,750.85 : 554,243.55 = 200,914.45 : x
  2. Step 2: Convert to fraction form
    369,750.85/554,243.55 = 200,914.45/x
  3. Step 3: Cross multiply
    369,750.85x = 554,243.55 × 200,914.45
  4. Step 4: Simplify right side
    369,750.85x = 111,355,538,014.30
  5. Step 5: Solve for x
    x = 111,355,538,014.30/369,750.85
  6. Step 6: Final answer
    x = 301,163.71

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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.