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Finding the Fourth Proportional to 566.28, 849.28 and 155.42

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Solution

The fourth proportional to 566.28, 849.28 and 155.42 is: 233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.28 : 849.28 = 155.42 : x
  2. Step 2: Convert to fraction form
    566.28/849.28 = 155.42/x
  3. Step 3: Cross multiply
    566.28x = 849.28 × 155.42
  4. Step 4: Simplify right side
    566.28x = 131,990.07
  5. Step 5: Solve for x
    x = 131,990.07/566.28
  6. Step 6: Final answer
    x = 233.08

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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.