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Finding the Fourth Proportional to 590,568.91, 886,244.20 and 324,514.69

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Solution

The fourth proportional to 590,568.91, 886,244.20 and 324,514.69 is: 486,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,568.91 : 886,244.20 = 324,514.69 : x
  2. Step 2: Convert to fraction form
    590,568.91/886,244.20 = 324,514.69/x
  3. Step 3: Cross multiply
    590,568.91x = 886,244.20 × 324,514.69
  4. Step 4: Simplify right side
    590,568.91x = 287,599,258,800.40
  5. Step 5: Solve for x
    x = 287,599,258,800.40/590,568.91
  6. Step 6: Final answer
    x = 486,986.79

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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.