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Finding the Fourth Proportional to 906.67, 1,360.61 and 582.27

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Solution

The fourth proportional to 906.67, 1,360.61 and 582.27 is: 873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.67 : 1,360.61 = 582.27 : x
  2. Step 2: Convert to fraction form
    906.67/1,360.61 = 582.27/x
  3. Step 3: Cross multiply
    906.67x = 1,360.61 × 582.27
  4. Step 4: Simplify right side
    906.67x = 792,242.38
  5. Step 5: Solve for x
    x = 792,242.38/906.67
  6. Step 6: Final answer
    x = 873.79

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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.