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Finding the Fourth Proportional to 795.25, 1,192.92 and 282.25

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Solution

The fourth proportional to 795.25, 1,192.92 and 282.25 is: 423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.25 : 1,192.92 = 282.25 : x
  2. Step 2: Convert to fraction form
    795.25/1,192.92 = 282.25/x
  3. Step 3: Cross multiply
    795.25x = 1,192.92 × 282.25
  4. Step 4: Simplify right side
    795.25x = 336,701.67
  5. Step 5: Solve for x
    x = 336,701.67/795.25
  6. Step 6: Final answer
    x = 423.39

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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.