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Finding the Fourth Proportional to 1,181.74, 1,773.16 and 532.12

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Solution

The fourth proportional to 1,181.74, 1,773.16 and 532.12 is: 798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.74 : 1,773.16 = 532.12 : x
  2. Step 2: Convert to fraction form
    1,181.74/1,773.16 = 532.12/x
  3. Step 3: Cross multiply
    1,181.74x = 1,773.16 × 532.12
  4. Step 4: Simplify right side
    1,181.74x = 943,533.90
  5. Step 5: Solve for x
    x = 943,533.90/1,181.74
  6. Step 6: Final answer
    x = 798.43

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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.