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Finding the Fourth Proportional to 1,097.97, 1,646.43 and 367.35

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Solution

The fourth proportional to 1,097.97, 1,646.43 and 367.35 is: 550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.97 : 1,646.43 = 367.35 : x
  2. Step 2: Convert to fraction form
    1,097.97/1,646.43 = 367.35/x
  3. Step 3: Cross multiply
    1,097.97x = 1,646.43 × 367.35
  4. Step 4: Simplify right side
    1,097.97x = 604,807.83
  5. Step 5: Solve for x
    x = 604,807.83/1,097.97
  6. Step 6: Final answer
    x = 550.84

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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.