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Finding the Fourth Proportional to 1,097.96, 1,646.78 and 367.43

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Solution

The fourth proportional to 1,097.96, 1,646.78 and 367.43 is: 551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.96 : 1,646.78 = 367.43 : x
  2. Step 2: Convert to fraction form
    1,097.96/1,646.78 = 367.43/x
  3. Step 3: Cross multiply
    1,097.96x = 1,646.78 × 367.43
  4. Step 4: Simplify right side
    1,097.96x = 605,066.30
  5. Step 5: Solve for x
    x = 605,066.30/1,097.96
  6. Step 6: Final answer
    x = 551.08

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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.