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Finding the Fourth Proportional to 587,183.76, 810,286.47 and 332,536.78

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Solution

The fourth proportional to 587,183.76, 810,286.47 and 332,536.78 is: 458,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,183.76 : 810,286.47 = 332,536.78 : x
  2. Step 2: Convert to fraction form
    587,183.76/810,286.47 = 332,536.78/x
  3. Step 3: Cross multiply
    587,183.76x = 810,286.47 × 332,536.78
  4. Step 4: Simplify right side
    587,183.76x = 269,450,053,611.37
  5. Step 5: Solve for x
    x = 269,450,053,611.37/587,183.76
  6. Step 6: Final answer
    x = 458,885.40

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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.