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Finding the Fourth Proportional to 1,361.04, 2,041.14 and 495.14

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Solution

The fourth proportional to 1,361.04, 2,041.14 and 495.14 is: 742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.04 : 2,041.14 = 495.14 : x
  2. Step 2: Convert to fraction form
    1,361.04/2,041.14 = 495.14/x
  3. Step 3: Cross multiply
    1,361.04x = 2,041.14 × 495.14
  4. Step 4: Simplify right side
    1,361.04x = 1,010,650.06
  5. Step 5: Solve for x
    x = 1,010,650.06/1,361.04
  6. Step 6: Final answer
    x = 742.56

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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.