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Finding the Fourth Proportional to 924.48, 1,273.73 and 629.37

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Solution

The fourth proportional to 924.48, 1,273.73 and 629.37 is: 867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.48 : 1,273.73 = 629.37 : x
  2. Step 2: Convert to fraction form
    924.48/1,273.73 = 629.37/x
  3. Step 3: Cross multiply
    924.48x = 1,273.73 × 629.37
  4. Step 4: Simplify right side
    924.48x = 801,644.30
  5. Step 5: Solve for x
    x = 801,644.30/924.48
  6. Step 6: Final answer
    x = 867.13

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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.