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Finding the Fourth Proportional to 354.04, 530.96 and 110.44

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Solution

The fourth proportional to 354.04, 530.96 and 110.44 is: 165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.04 : 530.96 = 110.44 : x
  2. Step 2: Convert to fraction form
    354.04/530.96 = 110.44/x
  3. Step 3: Cross multiply
    354.04x = 530.96 × 110.44
  4. Step 4: Simplify right side
    354.04x = 58,639.22
  5. Step 5: Solve for x
    x = 58,639.22/354.04
  6. Step 6: Final answer
    x = 165.63

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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.