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Finding the Fourth Proportional to 332.88, 499.43 and 104.88

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Solution

The fourth proportional to 332.88, 499.43 and 104.88 is: 157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.88 : 499.43 = 104.88 : x
  2. Step 2: Convert to fraction form
    332.88/499.43 = 104.88/x
  3. Step 3: Cross multiply
    332.88x = 499.43 × 104.88
  4. Step 4: Simplify right side
    332.88x = 52,380.22
  5. Step 5: Solve for x
    x = 52,380.22/332.88
  6. Step 6: Final answer
    x = 157.35

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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.