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Finding the Fourth Proportional to 492,175.92, 738,325.40 and 192,617.80

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Solution

The fourth proportional to 492,175.92, 738,325.40 and 192,617.80 is: 288,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,175.92 : 738,325.40 = 192,617.80 : x
  2. Step 2: Convert to fraction form
    492,175.92/738,325.40 = 192,617.80/x
  3. Step 3: Cross multiply
    492,175.92x = 738,325.40 × 192,617.80
  4. Step 4: Simplify right side
    492,175.92x = 142,214,614,232.12
  5. Step 5: Solve for x
    x = 142,214,614,232.12/492,175.92
  6. Step 6: Final answer
    x = 288,950.78

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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.