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Finding the Fourth Proportional to 1,196.48, 1,795.34 and 494.21

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Solution

The fourth proportional to 1,196.48, 1,795.34 and 494.21 is: 741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.48 : 1,795.34 = 494.21 : x
  2. Step 2: Convert to fraction form
    1,196.48/1,795.34 = 494.21/x
  3. Step 3: Cross multiply
    1,196.48x = 1,795.34 × 494.21
  4. Step 4: Simplify right side
    1,196.48x = 887,274.98
  5. Step 5: Solve for x
    x = 887,274.98/1,196.48
  6. Step 6: Final answer
    x = 741.57

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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.