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Finding the Fourth Proportional to 273,672.96, 376,790.40 and 238,329.60

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Solution

The fourth proportional to 273,672.96, 376,790.40 and 238,329.60 is: 328,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,672.96 : 376,790.40 = 238,329.60 : x
  2. Step 2: Convert to fraction form
    273,672.96/376,790.40 = 238,329.60/x
  3. Step 3: Cross multiply
    273,672.96x = 376,790.40 × 238,329.60
  4. Step 4: Simplify right side
    273,672.96x = 89,800,305,315.84
  5. Step 5: Solve for x
    x = 89,800,305,315.84/273,672.96
  6. Step 6: Final answer
    x = 328,129.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.