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Finding the Fourth Proportional to 587,986.57, 881,896.84 and 188,575.50

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Solution

The fourth proportional to 587,986.57, 881,896.84 and 188,575.50 is: 282,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,986.57 : 881,896.84 = 188,575.50 : x
  2. Step 2: Convert to fraction form
    587,986.57/881,896.84 = 188,575.50/x
  3. Step 3: Cross multiply
    587,986.57x = 881,896.84 × 188,575.50
  4. Step 4: Simplify right side
    587,986.57x = 166,304,137,551.42
  5. Step 5: Solve for x
    x = 166,304,137,551.42/587,986.57
  6. Step 6: Final answer
    x = 282,836.63

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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.