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Finding the Fourth Proportional to 1,182, 1,772.38 and 532.38

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Solution

The fourth proportional to 1,182, 1,772.38 and 532.38 is: 798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182 : 1,772.38 = 532.38 : x
  2. Step 2: Convert to fraction form
    1,182/1,772.38 = 532.38/x
  3. Step 3: Cross multiply
    1,182x = 1,772.38 × 532.38
  4. Step 4: Simplify right side
    1,182x = 943,579.66
  5. Step 5: Solve for x
    x = 943,579.66/1,182
  6. Step 6: Final answer
    x = 798.29

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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.