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Finding the Fourth Proportional to 352.47, 528.76 and 179.27

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Solution

The fourth proportional to 352.47, 528.76 and 179.27 is: 268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.47 : 528.76 = 179.27 : x
  2. Step 2: Convert to fraction form
    352.47/528.76 = 179.27/x
  3. Step 3: Cross multiply
    352.47x = 528.76 × 179.27
  4. Step 4: Simplify right side
    352.47x = 94,790.81
  5. Step 5: Solve for x
    x = 94,790.81/352.47
  6. Step 6: Final answer
    x = 268.93

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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.