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Finding the Fourth Proportional to 587,814.80, 881,846.87 and 188,735.90

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Solution

The fourth proportional to 587,814.80, 881,846.87 and 188,735.90 is: 283,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,814.80 : 881,846.87 = 188,735.90 : x
  2. Step 2: Convert to fraction form
    587,814.80/881,846.87 = 188,735.90/x
  3. Step 3: Cross multiply
    587,814.80x = 881,846.87 × 188,735.90
  4. Step 4: Simplify right side
    587,814.80x = 166,436,157,318.72
  5. Step 5: Solve for x
    x = 166,436,157,318.72/587,814.80
  6. Step 6: Final answer
    x = 283,143.87

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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.