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Finding the Fourth Proportional to 504.38, 756.54 and 179.66

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Solution

The fourth proportional to 504.38, 756.54 and 179.66 is: 269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.38 : 756.54 = 179.66 : x
  2. Step 2: Convert to fraction form
    504.38/756.54 = 179.66/x
  3. Step 3: Cross multiply
    504.38x = 756.54 × 179.66
  4. Step 4: Simplify right side
    504.38x = 135,919.98
  5. Step 5: Solve for x
    x = 135,919.98/504.38
  6. Step 6: Final answer
    x = 269.48

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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.