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Finding the Fourth Proportional to 795.52, 1,097.28 and 484.48

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Solution

The fourth proportional to 795.52, 1,097.28 and 484.48 is: 668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.52 : 1,097.28 = 484.48 : x
  2. Step 2: Convert to fraction form
    795.52/1,097.28 = 484.48/x
  3. Step 3: Cross multiply
    795.52x = 1,097.28 × 484.48
  4. Step 4: Simplify right side
    795.52x = 531,610.21
  5. Step 5: Solve for x
    x = 531,610.21/795.52
  6. Step 6: Final answer
    x = 668.25

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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.