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Finding the Fourth Proportional to 324,313.57, 486,470.32 and 164,364.59

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Solution

The fourth proportional to 324,313.57, 486,470.32 and 164,364.59 is: 246,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,313.57 : 486,470.32 = 164,364.59 : x
  2. Step 2: Convert to fraction form
    324,313.57/486,470.32 = 164,364.59/x
  3. Step 3: Cross multiply
    324,313.57x = 486,470.32 × 164,364.59
  4. Step 4: Simplify right side
    324,313.57x = 79,958,493,379.20
  5. Step 5: Solve for x
    x = 79,958,493,379.20/324,313.57
  6. Step 6: Final answer
    x = 246,546.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.