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Finding the Fourth Proportional to 458.49, 632.75 and 262.00

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Solution

The fourth proportional to 458.49, 632.75 and 262.00 is: 361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.49 : 632.75 = 262.00 : x
  2. Step 2: Convert to fraction form
    458.49/632.75 = 262.00/x
  3. Step 3: Cross multiply
    458.49x = 632.75 × 262.00
  4. Step 4: Simplify right side
    458.49x = 165,779.98
  5. Step 5: Solve for x
    x = 165,779.98/458.49
  6. Step 6: Final answer
    x = 361.58

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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.