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Finding the Fourth Proportional to 1,195.49, 1,792.53 and 362.31

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Solution

The fourth proportional to 1,195.49, 1,792.53 and 362.31 is: 543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.49 : 1,792.53 = 362.31 : x
  2. Step 2: Convert to fraction form
    1,195.49/1,792.53 = 362.31/x
  3. Step 3: Cross multiply
    1,195.49x = 1,792.53 × 362.31
  4. Step 4: Simplify right side
    1,195.49x = 649,451.54
  5. Step 5: Solve for x
    x = 649,451.54/1,195.49
  6. Step 6: Final answer
    x = 543.25

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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.