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Finding the Fourth Proportional to 324,096.60, 486,290.70 and 146,512.20

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Solution

The fourth proportional to 324,096.60, 486,290.70 and 146,512.20 is: 219,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,096.60 : 486,290.70 = 146,512.20 : x
  2. Step 2: Convert to fraction form
    324,096.60/486,290.70 = 146,512.20/x
  3. Step 3: Cross multiply
    324,096.60x = 486,290.70 × 146,512.20
  4. Step 4: Simplify right side
    324,096.60x = 71,247,520,296.54
  5. Step 5: Solve for x
    x = 71,247,520,296.54/324,096.60
  6. Step 6: Final answer
    x = 219,834.21

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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.