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Finding the Fourth Proportional to 332.25, 498.44 and 104.25

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Solution

The fourth proportional to 332.25, 498.44 and 104.25 is: 156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.25 : 498.44 = 104.25 : x
  2. Step 2: Convert to fraction form
    332.25/498.44 = 104.25/x
  3. Step 3: Cross multiply
    332.25x = 498.44 × 104.25
  4. Step 4: Simplify right side
    332.25x = 51,961.85
  5. Step 5: Solve for x
    x = 51,961.85/332.25
  6. Step 6: Final answer
    x = 156.39

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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.