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Finding the Fourth Proportional to 464.42, 696.63 and 175.79

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Solution

The fourth proportional to 464.42, 696.63 and 175.79 is: 263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.42 : 696.63 = 175.79 : x
  2. Step 2: Convert to fraction form
    464.42/696.63 = 175.79/x
  3. Step 3: Cross multiply
    464.42x = 696.63 × 175.79
  4. Step 4: Simplify right side
    464.42x = 122,460.59
  5. Step 5: Solve for x
    x = 122,460.59/464.42
  6. Step 6: Final answer
    x = 263.69

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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.