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Finding the Fourth Proportional to 495.56, 742.90 and 332.88

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Solution

The fourth proportional to 495.56, 742.90 and 332.88 is: 499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.56 : 742.90 = 332.88 : x
  2. Step 2: Convert to fraction form
    495.56/742.90 = 332.88/x
  3. Step 3: Cross multiply
    495.56x = 742.90 × 332.88
  4. Step 4: Simplify right side
    495.56x = 247,296.55
  5. Step 5: Solve for x
    x = 247,296.55/495.56
  6. Step 6: Final answer
    x = 499.02

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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.