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Finding the Fourth Proportional to 367,049.05, 515,049.65 and 367,049.05

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Solution

The fourth proportional to 367,049.05, 515,049.65 and 367,049.05 is: 515,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,049.05 : 515,049.65 = 367,049.05 : x
  2. Step 2: Convert to fraction form
    367,049.05/515,049.65 = 367,049.05/x
  3. Step 3: Cross multiply
    367,049.05x = 515,049.65 × 367,049.05
  4. Step 4: Simplify right side
    367,049.05x = 189,048,484,735.33
  5. Step 5: Solve for x
    x = 189,048,484,735.33/367,049.05
  6. Step 6: Final answer
    x = 515,049.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.