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Finding the Fourth Proportional to 591.17, 886.14 and 359.44

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Solution

The fourth proportional to 591.17, 886.14 and 359.44 is: 538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.17 : 886.14 = 359.44 : x
  2. Step 2: Convert to fraction form
    591.17/886.14 = 359.44/x
  3. Step 3: Cross multiply
    591.17x = 886.14 × 359.44
  4. Step 4: Simplify right side
    591.17x = 318,511.95
  5. Step 5: Solve for x
    x = 318,511.95/591.17
  6. Step 6: Final answer
    x = 538.79

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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.