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Finding the Fourth Proportional to 591.12, 886.68 and 180.26

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Solution

The fourth proportional to 591.12, 886.68 and 180.26 is: 270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.12 : 886.68 = 180.26 : x
  2. Step 2: Convert to fraction form
    591.12/886.68 = 180.26/x
  3. Step 3: Cross multiply
    591.12x = 886.68 × 180.26
  4. Step 4: Simplify right side
    591.12x = 159,832.94
  5. Step 5: Solve for x
    x = 159,832.94/591.12
  6. Step 6: Final answer
    x = 270.39

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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.