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Finding the Fourth Proportional to 492,899.67, 739,355.37 and 173,059.56

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Solution

The fourth proportional to 492,899.67, 739,355.37 and 173,059.56 is: 259,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,899.67 : 739,355.37 = 173,059.56 : x
  2. Step 2: Convert to fraction form
    492,899.67/739,355.37 = 173,059.56/x
  3. Step 3: Cross multiply
    492,899.67x = 739,355.37 × 173,059.56
  4. Step 4: Simplify right side
    492,899.67x = 127,952,515,015.84
  5. Step 5: Solve for x
    x = 127,952,515,015.84/492,899.67
  6. Step 6: Final answer
    x = 259,591.40

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1.5x scale

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.