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Finding the Fourth Proportional to 448,910.94, 673,372.34 and 149,391.57

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Solution

The fourth proportional to 448,910.94, 673,372.34 and 149,391.57 is: 224,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,910.94 : 673,372.34 = 149,391.57 : x
  2. Step 2: Convert to fraction form
    448,910.94/673,372.34 = 149,391.57/x
  3. Step 3: Cross multiply
    448,910.94x = 673,372.34 × 149,391.57
  4. Step 4: Simplify right side
    448,910.94x = 100,596,153,405.58
  5. Step 5: Solve for x
    x = 100,596,153,405.58/448,910.94
  6. Step 6: Final answer
    x = 224,089.33

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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.