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Finding the Fourth Proportional to 576,284.79, 862,286.32 and 362,049.69

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Solution

The fourth proportional to 576,284.79, 862,286.32 and 362,049.69 is: 541,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,284.79 : 862,286.32 = 362,049.69 : x
  2. Step 2: Convert to fraction form
    576,284.79/862,286.32 = 362,049.69/x
  3. Step 3: Cross multiply
    576,284.79x = 862,286.32 × 362,049.69
  4. Step 4: Simplify right side
    576,284.79x = 312,190,493,942.12
  5. Step 5: Solve for x
    x = 312,190,493,942.12/576,284.79
  6. Step 6: Final answer
    x = 541,729.54

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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.