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Finding the Fourth Proportional to 324,572.64, 447,919.38 and 181,348.44

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Solution

The fourth proportional to 324,572.64, 447,919.38 and 181,348.44 is: 250,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,572.64 : 447,919.38 = 181,348.44 : x
  2. Step 2: Convert to fraction form
    324,572.64/447,919.38 = 181,348.44/x
  3. Step 3: Cross multiply
    324,572.64x = 447,919.38 × 181,348.44
  4. Step 4: Simplify right side
    324,572.64x = 81,229,480,808.77
  5. Step 5: Solve for x
    x = 81,229,480,808.77/324,572.64
  6. Step 6: Final answer
    x = 250,265.95

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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.