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Finding the Fourth Proportional to 492,756.40, 739,134.60 and 227,035.90

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Solution

The fourth proportional to 492,756.40, 739,134.60 and 227,035.90 is: 340,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,756.40 : 739,134.60 = 227,035.90 : x
  2. Step 2: Convert to fraction form
    492,756.40/739,134.60 = 227,035.90/x
  3. Step 3: Cross multiply
    492,756.40x = 739,134.60 × 227,035.90
  4. Step 4: Simplify right side
    492,756.40x = 167,810,089,132.14
  5. Step 5: Solve for x
    x = 167,810,089,132.14/492,756.40
  6. Step 6: Final answer
    x = 340,553.85

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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.