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Finding the Fourth Proportional to 789.83, 1,184.85 and 241.93

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Solution

The fourth proportional to 789.83, 1,184.85 and 241.93 is: 362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    789.83 : 1,184.85 = 241.93 : x
  2. Step 2: Convert to fraction form
    789.83/1,184.85 = 241.93/x
  3. Step 3: Cross multiply
    789.83x = 1,184.85 × 241.93
  4. Step 4: Simplify right side
    789.83x = 286,644.84
  5. Step 5: Solve for x
    x = 286,644.84/789.83
  6. Step 6: Final answer
    x = 362.92

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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.