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Finding the Fourth Proportional to 324,755.64, 448,183.80 and 181,521.72

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Solution

The fourth proportional to 324,755.64, 448,183.80 and 181,521.72 is: 250,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,755.64 : 448,183.80 = 181,521.72 : x
  2. Step 2: Convert to fraction form
    324,755.64/448,183.80 = 181,521.72/x
  3. Step 3: Cross multiply
    324,755.64x = 448,183.80 × 181,521.72
  4. Step 4: Simplify right side
    324,755.64x = 81,355,094,252.14
  5. Step 5: Solve for x
    x = 81,355,094,252.14/324,755.64
  6. Step 6: Final answer
    x = 250,511.72

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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.