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Finding the Fourth Proportional to 301,093.16, 451,715.67 and 212,519.66

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Solution

The fourth proportional to 301,093.16, 451,715.67 and 212,519.66 is: 318,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,093.16 : 451,715.67 = 212,519.66 : x
  2. Step 2: Convert to fraction form
    301,093.16/451,715.67 = 212,519.66/x
  3. Step 3: Cross multiply
    301,093.16x = 451,715.67 × 212,519.66
  4. Step 4: Simplify right side
    301,093.16x = 95,998,458,346.49
  5. Step 5: Solve for x
    x = 95,998,458,346.49/301,093.16
  6. Step 6: Final answer
    x = 318,833.08

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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.