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Finding the Fourth Proportional to 324,513.46, 486,770.51 and 84,627.18

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Solution

The fourth proportional to 324,513.46, 486,770.51 and 84,627.18 is: 126,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,513.46 : 486,770.51 = 84,627.18 : x
  2. Step 2: Convert to fraction form
    324,513.46/486,770.51 = 84,627.18/x
  3. Step 3: Cross multiply
    324,513.46x = 486,770.51 × 84,627.18
  4. Step 4: Simplify right side
    324,513.46x = 41,194,015,780.03
  5. Step 5: Solve for x
    x = 41,194,015,780.03/324,513.46
  6. Step 6: Final answer
    x = 126,940.86

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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.