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Finding the Fourth Proportional to 795.39, 1,096.90 and 496.25

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Solution

The fourth proportional to 795.39, 1,096.90 and 496.25 is: 684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.39 : 1,096.90 = 496.25 : x
  2. Step 2: Convert to fraction form
    795.39/1,096.90 = 496.25/x
  3. Step 3: Cross multiply
    795.39x = 1,096.90 × 496.25
  4. Step 4: Simplify right side
    795.39x = 544,336.63
  5. Step 5: Solve for x
    x = 544,336.63/795.39
  6. Step 6: Final answer
    x = 684.36

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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.