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Finding the Fourth Proportional to 1,181.00, 1,774.71 and 633.58

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Solution

The fourth proportional to 1,181.00, 1,774.71 and 633.58 is: 952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.00 : 1,774.71 = 633.58 : x
  2. Step 2: Convert to fraction form
    1,181.00/1,774.71 = 633.58/x
  3. Step 3: Cross multiply
    1,181.00x = 1,774.71 × 633.58
  4. Step 4: Simplify right side
    1,181.00x = 1,124,416.33
  5. Step 5: Solve for x
    x = 1,124,416.33/1,181.00
  6. Step 6: Final answer
    x = 952.09

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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.