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Finding the Fourth Proportional to 789.65, 1,184 and 241.73

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Solution

The fourth proportional to 789.65, 1,184 and 241.73 is: 362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    789.65 : 1,184 = 241.73 : x
  2. Step 2: Convert to fraction form
    789.65/1,184 = 241.73/x
  3. Step 3: Cross multiply
    789.65x = 1,184 × 241.73
  4. Step 4: Simplify right side
    789.65x = 286,208.32
  5. Step 5: Solve for x
    x = 286,208.32/789.65
  6. Step 6: Final answer
    x = 362.45

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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.