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Finding the Fourth Proportional to 1,232.87, 1,849.32 and 492.44

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Solution

The fourth proportional to 1,232.87, 1,849.32 and 492.44 is: 738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.87 : 1,849.32 = 492.44 : x
  2. Step 2: Convert to fraction form
    1,232.87/1,849.32 = 492.44/x
  3. Step 3: Cross multiply
    1,232.87x = 1,849.32 × 492.44
  4. Step 4: Simplify right side
    1,232.87x = 910,669.89
  5. Step 5: Solve for x
    x = 910,669.89/1,232.87
  6. Step 6: Final answer
    x = 738.66

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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.