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Finding the Fourth Proportional to 332.73, 459.21 and 192.87

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Solution

The fourth proportional to 332.73, 459.21 and 192.87 is: 266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.73 : 459.21 = 192.87 : x
  2. Step 2: Convert to fraction form
    332.73/459.21 = 192.87/x
  3. Step 3: Cross multiply
    332.73x = 459.21 × 192.87
  4. Step 4: Simplify right side
    332.73x = 88,567.83
  5. Step 5: Solve for x
    x = 88,567.83/332.73
  6. Step 6: Final answer
    x = 266.19

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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.