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Finding the Fourth Proportional to 591.90, 888.12 and 582.18

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Solution

The fourth proportional to 591.90, 888.12 and 582.18 is: 873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.90 : 888.12 = 582.18 : x
  2. Step 2: Convert to fraction form
    591.90/888.12 = 582.18/x
  3. Step 3: Cross multiply
    591.90x = 888.12 × 582.18
  4. Step 4: Simplify right side
    591.90x = 517,045.70
  5. Step 5: Solve for x
    x = 517,045.70/591.90
  6. Step 6: Final answer
    x = 873.54

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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.