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Finding the Fourth Proportional to 458.88, 633.12 and 262.32

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Solution

The fourth proportional to 458.88, 633.12 and 262.32 is: 361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.88 : 633.12 = 262.32 : x
  2. Step 2: Convert to fraction form
    458.88/633.12 = 262.32/x
  3. Step 3: Cross multiply
    458.88x = 633.12 × 262.32
  4. Step 4: Simplify right side
    458.88x = 166,080.04
  5. Step 5: Solve for x
    x = 166,080.04/458.88
  6. Step 6: Final answer
    x = 361.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.