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Finding the Fourth Proportional to 568.24, 851.58 and 243.40

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Solution

The fourth proportional to 568.24, 851.58 and 243.40 is: 364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.24 : 851.58 = 243.40 : x
  2. Step 2: Convert to fraction form
    568.24/851.58 = 243.40/x
  3. Step 3: Cross multiply
    568.24x = 851.58 × 243.40
  4. Step 4: Simplify right side
    568.24x = 207,274.57
  5. Step 5: Solve for x
    x = 207,274.57/568.24
  6. Step 6: Final answer
    x = 364.77

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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.