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Finding the Fourth Proportional to 365.24, 547.92 and 156.96

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Solution

The fourth proportional to 365.24, 547.92 and 156.96 is: 235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.24 : 547.92 = 156.96 : x
  2. Step 2: Convert to fraction form
    365.24/547.92 = 156.96/x
  3. Step 3: Cross multiply
    365.24x = 547.92 × 156.96
  4. Step 4: Simplify right side
    365.24x = 86,001.52
  5. Step 5: Solve for x
    x = 86,001.52/365.24
  6. Step 6: Final answer
    x = 235.47

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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.