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Finding the Fourth Proportional to 589.73, 884.14 and 315.75

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Solution

The fourth proportional to 589.73, 884.14 and 315.75 is: 473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.73 : 884.14 = 315.75 : x
  2. Step 2: Convert to fraction form
    589.73/884.14 = 315.75/x
  3. Step 3: Cross multiply
    589.73x = 884.14 × 315.75
  4. Step 4: Simplify right side
    589.73x = 279,167.21
  5. Step 5: Solve for x
    x = 279,167.21/589.73
  6. Step 6: Final answer
    x = 473.38

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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.