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Finding the Fourth Proportional to 175.24, 264.40 and 174.79

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Solution

The fourth proportional to 175.24, 264.40 and 174.79 is: 263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.24 : 264.40 = 174.79 : x
  2. Step 2: Convert to fraction form
    175.24/264.40 = 174.79/x
  3. Step 3: Cross multiply
    175.24x = 264.40 × 174.79
  4. Step 4: Simplify right side
    175.24x = 46,214.48
  5. Step 5: Solve for x
    x = 46,214.48/175.24
  6. Step 6: Final answer
    x = 263.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.