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Finding the Fourth Proportional to 564.58, 846.29 and 381.99

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Solution

The fourth proportional to 564.58, 846.29 and 381.99 is: 572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.58 : 846.29 = 381.99 : x
  2. Step 2: Convert to fraction form
    564.58/846.29 = 381.99/x
  3. Step 3: Cross multiply
    564.58x = 846.29 × 381.99
  4. Step 4: Simplify right side
    564.58x = 323,274.32
  5. Step 5: Solve for x
    x = 323,274.32/564.58
  6. Step 6: Final answer
    x = 572.59

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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.