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Finding the Fourth Proportional to 587,438.31, 881,241.56 and 222,833.97

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Solution

The fourth proportional to 587,438.31, 881,241.56 and 222,833.97 is: 334,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,438.31 : 881,241.56 = 222,833.97 : x
  2. Step 2: Convert to fraction form
    587,438.31/881,241.56 = 222,833.97/x
  3. Step 3: Cross multiply
    587,438.31x = 881,241.56 × 222,833.97
  4. Step 4: Simplify right side
    587,438.31x = 196,370,555,343.79
  5. Step 5: Solve for x
    x = 196,370,555,343.79/587,438.31
  6. Step 6: Final answer
    x = 334,282.85

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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.