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Finding the Fourth Proportional to 795.11, 1,190.73 and 657.14

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Solution

The fourth proportional to 795.11, 1,190.73 and 657.14 is: 984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.11 : 1,190.73 = 657.14 : x
  2. Step 2: Convert to fraction form
    795.11/1,190.73 = 657.14/x
  3. Step 3: Cross multiply
    795.11x = 1,190.73 × 657.14
  4. Step 4: Simplify right side
    795.11x = 782,476.31
  5. Step 5: Solve for x
    x = 782,476.31/795.11
  6. Step 6: Final answer
    x = 984.11

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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.