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Finding the Fourth Proportional to 298,039.53, 446,081.96 and 162,896.60

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Solution

The fourth proportional to 298,039.53, 446,081.96 and 162,896.60 is: 243,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,039.53 : 446,081.96 = 162,896.60 : x
  2. Step 2: Convert to fraction form
    298,039.53/446,081.96 = 162,896.60/x
  3. Step 3: Cross multiply
    298,039.53x = 446,081.96 × 162,896.60
  4. Step 4: Simplify right side
    298,039.53x = 72,665,234,454.98
  5. Step 5: Solve for x
    x = 72,665,234,454.98/298,039.53
  6. Step 6: Final answer
    x = 243,810.73

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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.