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Finding the Fourth Proportional to 494,770.56, 742,168.59 and 134,944.37

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Solution

The fourth proportional to 494,770.56, 742,168.59 and 134,944.37 is: 202,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,770.56 : 742,168.59 = 134,944.37 : x
  2. Step 2: Convert to fraction form
    494,770.56/742,168.59 = 134,944.37/x
  3. Step 3: Cross multiply
    494,770.56x = 742,168.59 × 134,944.37
  4. Step 4: Simplify right side
    494,770.56x = 100,151,472,811.34
  5. Step 5: Solve for x
    x = 100,151,472,811.34/494,770.56
  6. Step 6: Final answer
    x = 202,420.03

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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.