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Finding the Fourth Proportional to 324,096.42, 486,319.59 and 157,884.42

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Solution

The fourth proportional to 324,096.42, 486,319.59 and 157,884.42 is: 236,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,096.42 : 486,319.59 = 157,884.42 : x
  2. Step 2: Convert to fraction form
    324,096.42/486,319.59 = 157,884.42/x
  3. Step 3: Cross multiply
    324,096.42x = 486,319.59 × 157,884.42
  4. Step 4: Simplify right side
    324,096.42x = 76,782,286,401.79
  5. Step 5: Solve for x
    x = 76,782,286,401.79/324,096.42
  6. Step 6: Final answer
    x = 236,911.86

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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.