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Finding the Fourth Proportional to 448,712.27, 673,074.27 and 149,192.85

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Solution

The fourth proportional to 448,712.27, 673,074.27 and 149,192.85 is: 223,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,712.27 : 673,074.27 = 149,192.85 : x
  2. Step 2: Convert to fraction form
    448,712.27/673,074.27 = 149,192.85/x
  3. Step 3: Cross multiply
    448,712.27x = 673,074.27 × 149,192.85
  4. Step 4: Simplify right side
    448,712.27x = 100,417,864,491.63
  5. Step 5: Solve for x
    x = 100,417,864,491.63/448,712.27
  6. Step 6: Final answer
    x = 223,791.22

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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.