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Finding the Fourth Proportional to 492,986.92, 739,480.41 and 160,562.92

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Solution

The fourth proportional to 492,986.92, 739,480.41 and 160,562.92 is: 240,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,986.92 : 739,480.41 = 160,562.92 : x
  2. Step 2: Convert to fraction form
    492,986.92/739,480.41 = 160,562.92/x
  3. Step 3: Cross multiply
    492,986.92x = 739,480.41 × 160,562.92
  4. Step 4: Simplify right side
    492,986.92x = 118,733,133,912.40
  5. Step 5: Solve for x
    x = 118,733,133,912.40/492,986.92
  6. Step 6: Final answer
    x = 240,844.39

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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.