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Finding the Fourth Proportional to 1,184.83, 1,777.25 and 363.12

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Solution

The fourth proportional to 1,184.83, 1,777.25 and 363.12 is: 544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.83 : 1,777.25 = 363.12 : x
  2. Step 2: Convert to fraction form
    1,184.83/1,777.25 = 363.12/x
  3. Step 3: Cross multiply
    1,184.83x = 1,777.25 × 363.12
  4. Step 4: Simplify right side
    1,184.83x = 645,355.02
  5. Step 5: Solve for x
    x = 645,355.02/1,184.83
  6. Step 6: Final answer
    x = 544.68

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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.