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Finding the Fourth Proportional to 459.42, 633.99 and 262.92

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Solution

The fourth proportional to 459.42, 633.99 and 262.92 is: 362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.42 : 633.99 = 262.92 : x
  2. Step 2: Convert to fraction form
    459.42/633.99 = 262.92/x
  3. Step 3: Cross multiply
    459.42x = 633.99 × 262.92
  4. Step 4: Simplify right side
    459.42x = 166,685.48
  5. Step 5: Solve for x
    x = 166,685.48/459.42
  6. Step 6: Final answer
    x = 362.82

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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.