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Finding the Fourth Proportional to 582.39, 873.75 and 308.44

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Solution

The fourth proportional to 582.39, 873.75 and 308.44 is: 462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.39 : 873.75 = 308.44 : x
  2. Step 2: Convert to fraction form
    582.39/873.75 = 308.44/x
  3. Step 3: Cross multiply
    582.39x = 873.75 × 308.44
  4. Step 4: Simplify right side
    582.39x = 269,501.70
  5. Step 5: Solve for x
    x = 269,501.70/582.39
  6. Step 6: Final answer
    x = 462.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.