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Finding the Fourth Proportional to 1,230.62, 1,846.23 and 364.93

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Solution

The fourth proportional to 1,230.62, 1,846.23 and 364.93 is: 547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.62 : 1,846.23 = 364.93 : x
  2. Step 2: Convert to fraction form
    1,230.62/1,846.23 = 364.93/x
  3. Step 3: Cross multiply
    1,230.62x = 1,846.23 × 364.93
  4. Step 4: Simplify right side
    1,230.62x = 673,738.73
  5. Step 5: Solve for x
    x = 673,738.73/1,230.62
  6. Step 6: Final answer
    x = 547.48

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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.