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Finding the Fourth Proportional to 576,286.79, 862,289.31 and 362,051.69

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Solution

The fourth proportional to 576,286.79, 862,289.31 and 362,051.69 is: 541,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,286.79 : 862,289.31 = 362,051.69 : x
  2. Step 2: Convert to fraction form
    576,286.79/862,289.31 = 362,051.69/x
  3. Step 3: Cross multiply
    576,286.79x = 862,289.31 × 362,051.69
  4. Step 4: Simplify right side
    576,286.79x = 312,193,301,954.43
  5. Step 5: Solve for x
    x = 312,193,301,954.43/576,286.79
  6. Step 6: Final answer
    x = 541,732.53

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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.