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Finding the Fourth Proportional to 324,647.92, 448,013.16 and 181,408.09

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Solution

The fourth proportional to 324,647.92, 448,013.16 and 181,408.09 is: 250,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,647.92 : 448,013.16 = 181,408.09 : x
  2. Step 2: Convert to fraction form
    324,647.92/448,013.16 = 181,408.09/x
  3. Step 3: Cross multiply
    324,647.92x = 448,013.16 × 181,408.09
  4. Step 4: Simplify right side
    324,647.92x = 81,273,211,650.46
  5. Step 5: Solve for x
    x = 81,273,211,650.46/324,647.92
  6. Step 6: Final answer
    x = 250,342.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.