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Finding the Fourth Proportional to 459.32, 633.70 and 262.69

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Solution

The fourth proportional to 459.32, 633.70 and 262.69 is: 362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.32 : 633.70 = 262.69 : x
  2. Step 2: Convert to fraction form
    459.32/633.70 = 262.69/x
  3. Step 3: Cross multiply
    459.32x = 633.70 × 262.69
  4. Step 4: Simplify right side
    459.32x = 166,464.41
  5. Step 5: Solve for x
    x = 166,464.41/459.32
  6. Step 6: Final answer
    x = 362.42

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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.