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Finding the Fourth Proportional to 792.25, 1,187.16 and 467.44

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Solution

The fourth proportional to 792.25, 1,187.16 and 467.44 is: 700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.25 : 1,187.16 = 467.44 : x
  2. Step 2: Convert to fraction form
    792.25/1,187.16 = 467.44/x
  3. Step 3: Cross multiply
    792.25x = 1,187.16 × 467.44
  4. Step 4: Simplify right side
    792.25x = 554,926.07
  5. Step 5: Solve for x
    x = 554,926.07/792.25
  6. Step 6: Final answer
    x = 700.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.