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Finding the Fourth Proportional to 1,232.48, 1,850.57 and 773.17

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Solution

The fourth proportional to 1,232.48, 1,850.57 and 773.17 is: 1,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.48 : 1,850.57 = 773.17 : x
  2. Step 2: Convert to fraction form
    1,232.48/1,850.57 = 773.17/x
  3. Step 3: Cross multiply
    1,232.48x = 1,850.57 × 773.17
  4. Step 4: Simplify right side
    1,232.48x = 1,430,792.09
  5. Step 5: Solve for x
    x = 1,430,792.09/1,232.48
  6. Step 6: Final answer
    x = 1,160.90

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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.