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Finding the Fourth Proportional to 324,956.90, 448,446.42 and 181,713.87

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Solution

The fourth proportional to 324,956.90, 448,446.42 and 181,713.87 is: 250,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,956.90 : 448,446.42 = 181,713.87 : x
  2. Step 2: Convert to fraction form
    324,956.90/448,446.42 = 181,713.87/x
  3. Step 3: Cross multiply
    324,956.90x = 448,446.42 × 181,713.87
  4. Step 4: Simplify right side
    324,956.90x = 81,488,934,465.85
  5. Step 5: Solve for x
    x = 81,488,934,465.85/324,956.90
  6. Step 6: Final answer
    x = 250,768.44

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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.