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Finding the Fourth Proportional to 568.68, 852.99 and 325.05

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Solution

The fourth proportional to 568.68, 852.99 and 325.05 is: 487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.68 : 852.99 = 325.05 : x
  2. Step 2: Convert to fraction form
    568.68/852.99 = 325.05/x
  3. Step 3: Cross multiply
    568.68x = 852.99 × 325.05
  4. Step 4: Simplify right side
    568.68x = 277,264.40
  5. Step 5: Solve for x
    x = 277,264.40/568.68
  6. Step 6: Final answer
    x = 487.56

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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.