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Finding the Fourth Proportional to 1,092.66, 1,639.05 and 362.17

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Solution

The fourth proportional to 1,092.66, 1,639.05 and 362.17 is: 543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.66 : 1,639.05 = 362.17 : x
  2. Step 2: Convert to fraction form
    1,092.66/1,639.05 = 362.17/x
  3. Step 3: Cross multiply
    1,092.66x = 1,639.05 × 362.17
  4. Step 4: Simplify right side
    1,092.66x = 593,614.74
  5. Step 5: Solve for x
    x = 593,614.74/1,092.66
  6. Step 6: Final answer
    x = 543.27

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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.