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Finding the Fourth Proportional to 492,995.92, 739,493.94 and 160,571.92

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Solution

The fourth proportional to 492,995.92, 739,493.94 and 160,571.92 is: 240,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,995.92 : 739,493.94 = 160,571.92 : x
  2. Step 2: Convert to fraction form
    492,995.92/739,493.94 = 160,571.92/x
  3. Step 3: Cross multiply
    492,995.92x = 739,493.94 × 160,571.92
  4. Step 4: Simplify right side
    492,995.92x = 118,741,961,774.17
  5. Step 5: Solve for x
    x = 118,741,961,774.17/492,995.92
  6. Step 6: Final answer
    x = 240,857.90

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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.