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Finding the Fourth Proportional to 352.48, 527.78 and 236.74

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Solution

The fourth proportional to 352.48, 527.78 and 236.74 is: 354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.48 : 527.78 = 236.74 : x
  2. Step 2: Convert to fraction form
    352.48/527.78 = 236.74/x
  3. Step 3: Cross multiply
    352.48x = 527.78 × 236.74
  4. Step 4: Simplify right side
    352.48x = 124,946.64
  5. Step 5: Solve for x
    x = 124,946.64/352.48
  6. Step 6: Final answer
    x = 354.48

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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.