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Finding the Fourth Proportional to 349.66, 524.28 and 176.32

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Solution

The fourth proportional to 349.66, 524.28 and 176.32 is: 264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.66 : 524.28 = 176.32 : x
  2. Step 2: Convert to fraction form
    349.66/524.28 = 176.32/x
  3. Step 3: Cross multiply
    349.66x = 524.28 × 176.32
  4. Step 4: Simplify right side
    349.66x = 92,441.05
  5. Step 5: Solve for x
    x = 92,441.05/349.66
  6. Step 6: Final answer
    x = 264.37

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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.