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Finding the Fourth Proportional to 376.66, 564.80 and 116.59

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Solution

The fourth proportional to 376.66, 564.80 and 116.59 is: 174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.66 : 564.80 = 116.59 : x
  2. Step 2: Convert to fraction form
    376.66/564.80 = 116.59/x
  3. Step 3: Cross multiply
    376.66x = 564.80 × 116.59
  4. Step 4: Simplify right side
    376.66x = 65,846.63
  5. Step 5: Solve for x
    x = 65,846.63/376.66
  6. Step 6: Final answer
    x = 174.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.