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Finding the Fourth Proportional to 1,184.97, 1,777.46 and 444.75

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Solution

The fourth proportional to 1,184.97, 1,777.46 and 444.75 is: 667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.97 : 1,777.46 = 444.75 : x
  2. Step 2: Convert to fraction form
    1,184.97/1,777.46 = 444.75/x
  3. Step 3: Cross multiply
    1,184.97x = 1,777.46 × 444.75
  4. Step 4: Simplify right side
    1,184.97x = 790,523.11
  5. Step 5: Solve for x
    x = 790,523.11/1,184.97
  6. Step 6: Final answer
    x = 667.13

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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.