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Finding the Fourth Proportional to 675.24, 925.75 and 662.93

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Solution

The fourth proportional to 675.24, 925.75 and 662.93 is: 908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.24 : 925.75 = 662.93 : x
  2. Step 2: Convert to fraction form
    675.24/925.75 = 662.93/x
  3. Step 3: Cross multiply
    675.24x = 925.75 × 662.93
  4. Step 4: Simplify right side
    675.24x = 613,709.26
  5. Step 5: Solve for x
    x = 613,709.26/675.24
  6. Step 6: Final answer
    x = 908.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.