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Finding the Fourth Proportional to 503.85, 755.84 and 179.13

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Solution

The fourth proportional to 503.85, 755.84 and 179.13 is: 268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.85 : 755.84 = 179.13 : x
  2. Step 2: Convert to fraction form
    503.85/755.84 = 179.13/x
  3. Step 3: Cross multiply
    503.85x = 755.84 × 179.13
  4. Step 4: Simplify right side
    503.85x = 135,394.07
  5. Step 5: Solve for x
    x = 135,394.07/503.85
  6. Step 6: Final answer
    x = 268.72

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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.