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Finding the Fourth Proportional to 492,039.70, 738,059.55 and 450,049.30

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Solution

The fourth proportional to 492,039.70, 738,059.55 and 450,049.30 is: 675,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,039.70 : 738,059.55 = 450,049.30 : x
  2. Step 2: Convert to fraction form
    492,039.70/738,059.55 = 450,049.30/x
  3. Step 3: Cross multiply
    492,039.70x = 738,059.55 × 450,049.30
  4. Step 4: Simplify right side
    492,039.70x = 332,163,183,835.82
  5. Step 5: Solve for x
    x = 332,163,183,835.82/492,039.70
  6. Step 6: Final answer
    x = 675,073.95

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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.