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Finding the Fourth Proportional to 566.76, 782.14 and 333.90

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Solution

The fourth proportional to 566.76, 782.14 and 333.90 is: 460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.76 : 782.14 = 333.90 : x
  2. Step 2: Convert to fraction form
    566.76/782.14 = 333.90/x
  3. Step 3: Cross multiply
    566.76x = 782.14 × 333.90
  4. Step 4: Simplify right side
    566.76x = 261,156.55
  5. Step 5: Solve for x
    x = 261,156.55/566.76
  6. Step 6: Final answer
    x = 460.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.