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Finding the Fourth Proportional to 795.13, 1,192.69 and 521.75

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Solution

The fourth proportional to 795.13, 1,192.69 and 521.75 is: 782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.13 : 1,192.69 = 521.75 : x
  2. Step 2: Convert to fraction form
    795.13/1,192.69 = 521.75/x
  3. Step 3: Cross multiply
    795.13x = 1,192.69 × 521.75
  4. Step 4: Simplify right side
    795.13x = 622,286.01
  5. Step 5: Solve for x
    x = 622,286.01/795.13
  6. Step 6: Final answer
    x = 782.62

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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.