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Finding the Fourth Proportional to 464.45, 696.71 and 175.88

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Solution

The fourth proportional to 464.45, 696.71 and 175.88 is: 263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.45 : 696.71 = 175.88 : x
  2. Step 2: Convert to fraction form
    464.45/696.71 = 175.88/x
  3. Step 3: Cross multiply
    464.45x = 696.71 × 175.88
  4. Step 4: Simplify right side
    464.45x = 122,532.99
  5. Step 5: Solve for x
    x = 122,532.99/464.45
  6. Step 6: Final answer
    x = 263.83

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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.