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Finding the Fourth Proportional to 332.55, 498.42 and 195.66

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Solution

The fourth proportional to 332.55, 498.42 and 195.66 is: 293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.55 : 498.42 = 195.66 : x
  2. Step 2: Convert to fraction form
    332.55/498.42 = 195.66/x
  3. Step 3: Cross multiply
    332.55x = 498.42 × 195.66
  4. Step 4: Simplify right side
    332.55x = 97,520.86
  5. Step 5: Solve for x
    x = 97,520.86/332.55
  6. Step 6: Final answer
    x = 293.25

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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.