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Finding the Fourth Proportional to 1,182.58, 1,773.87 and 451.99

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Solution

The fourth proportional to 1,182.58, 1,773.87 and 451.99 is: 677.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.58 : 1,773.87 = 451.99 : x
  2. Step 2: Convert to fraction form
    1,182.58/1,773.87 = 451.99/x
  3. Step 3: Cross multiply
    1,182.58x = 1,773.87 × 451.99
  4. Step 4: Simplify right side
    1,182.58x = 801,771.50
  5. Step 5: Solve for x
    x = 801,771.50/1,182.58
  6. Step 6: Final answer
    x = 677.99

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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.