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Finding the Fourth Proportional to 1,092.07, 1,637.16 and 361.18

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Solution

The fourth proportional to 1,092.07, 1,637.16 and 361.18 is: 541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.07 : 1,637.16 = 361.18 : x
  2. Step 2: Convert to fraction form
    1,092.07/1,637.16 = 361.18/x
  3. Step 3: Cross multiply
    1,092.07x = 1,637.16 × 361.18
  4. Step 4: Simplify right side
    1,092.07x = 591,309.45
  5. Step 5: Solve for x
    x = 591,309.45/1,092.07
  6. Step 6: Final answer
    x = 541.46

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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.