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Finding the Fourth Proportional to 332.96, 459.45 and 193.12

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Solution

The fourth proportional to 332.96, 459.45 and 193.12 is: 266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.96 : 459.45 = 193.12 : x
  2. Step 2: Convert to fraction form
    332.96/459.45 = 193.12/x
  3. Step 3: Cross multiply
    332.96x = 459.45 × 193.12
  4. Step 4: Simplify right side
    332.96x = 88,728.02
  5. Step 5: Solve for x
    x = 88,728.02/332.96
  6. Step 6: Final answer
    x = 266.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.