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Finding the Fourth Proportional to 324,609.77, 447,834.51 and 188,619.38

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Solution

The fourth proportional to 324,609.77, 447,834.51 and 188,619.38 is: 260,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,609.77 : 447,834.51 = 188,619.38 : x
  2. Step 2: Convert to fraction form
    324,609.77/447,834.51 = 188,619.38/x
  3. Step 3: Cross multiply
    324,609.77x = 447,834.51 × 188,619.38
  4. Step 4: Simplify right side
    324,609.77x = 84,470,265,379.63
  5. Step 5: Solve for x
    x = 84,470,265,379.63/324,609.77
  6. Step 6: Final answer
    x = 260,220.96

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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.