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Finding the Fourth Proportional to 351.69, 526.92 and 236.48

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Solution

The fourth proportional to 351.69, 526.92 and 236.48 is: 354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.69 : 526.92 = 236.48 : x
  2. Step 2: Convert to fraction form
    351.69/526.92 = 236.48/x
  3. Step 3: Cross multiply
    351.69x = 526.92 × 236.48
  4. Step 4: Simplify right side
    351.69x = 124,603.41
  5. Step 5: Solve for x
    x = 124,603.41/351.69
  6. Step 6: Final answer
    x = 354.30

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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.