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Finding the Fourth Proportional to 332.81, 459.33 and 192.90

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Solution

The fourth proportional to 332.81, 459.33 and 192.90 is: 266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.81 : 459.33 = 192.90 : x
  2. Step 2: Convert to fraction form
    332.81/459.33 = 192.90/x
  3. Step 3: Cross multiply
    332.81x = 459.33 × 192.90
  4. Step 4: Simplify right side
    332.81x = 88,604.76
  5. Step 5: Solve for x
    x = 88,604.76/332.81
  6. Step 6: Final answer
    x = 266.23

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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.