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Finding the Fourth Proportional to 349.85, 524.14 and 176.38

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Solution

The fourth proportional to 349.85, 524.14 and 176.38 is: 264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.85 : 524.14 = 176.38 : x
  2. Step 2: Convert to fraction form
    349.85/524.14 = 176.38/x
  3. Step 3: Cross multiply
    349.85x = 524.14 × 176.38
  4. Step 4: Simplify right side
    349.85x = 92,446.06
  5. Step 5: Solve for x
    x = 92,446.06/349.85
  6. Step 6: Final answer
    x = 264.24

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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.