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Finding the Fourth Proportional to 1,184.88, 1,777.58 and 363.22

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Solution

The fourth proportional to 1,184.88, 1,777.58 and 363.22 is: 544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.88 : 1,777.58 = 363.22 : x
  2. Step 2: Convert to fraction form
    1,184.88/1,777.58 = 363.22/x
  3. Step 3: Cross multiply
    1,184.88x = 1,777.58 × 363.22
  4. Step 4: Simplify right side
    1,184.88x = 645,643.72
  5. Step 5: Solve for x
    x = 645,643.72/1,184.88
  6. Step 6: Final answer
    x = 544.90

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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.