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Finding the Fourth Proportional to 367,097.99, 550,624.80 and 218,285.30

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Solution

The fourth proportional to 367,097.99, 550,624.80 and 218,285.30 is: 327,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,097.99 : 550,624.80 = 218,285.30 : x
  2. Step 2: Convert to fraction form
    367,097.99/550,624.80 = 218,285.30/x
  3. Step 3: Cross multiply
    367,097.99x = 550,624.80 × 218,285.30
  4. Step 4: Simplify right side
    367,097.99x = 120,193,299,655.44
  5. Step 5: Solve for x
    x = 120,193,299,655.44/367,097.99
  6. Step 6: Final answer
    x = 327,414.76

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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.