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Finding the Fourth Proportional to 332.76, 459.18 and 192.92

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Solution

The fourth proportional to 332.76, 459.18 and 192.92 is: 266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.76 : 459.18 = 192.92 : x
  2. Step 2: Convert to fraction form
    332.76/459.18 = 192.92/x
  3. Step 3: Cross multiply
    332.76x = 459.18 × 192.92
  4. Step 4: Simplify right side
    332.76x = 88,585.01
  5. Step 5: Solve for x
    x = 88,585.01/332.76
  6. Step 6: Final answer
    x = 266.21

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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.