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Finding the Fourth Proportional to 1,097.88, 1,646.81 and 367.46

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Solution

The fourth proportional to 1,097.88, 1,646.81 and 367.46 is: 551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.88 : 1,646.81 = 367.46 : x
  2. Step 2: Convert to fraction form
    1,097.88/1,646.81 = 367.46/x
  3. Step 3: Cross multiply
    1,097.88x = 1,646.81 × 367.46
  4. Step 4: Simplify right side
    1,097.88x = 605,136.80
  5. Step 5: Solve for x
    x = 605,136.80/1,097.88
  6. Step 6: Final answer
    x = 551.19

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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.