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Finding the Fourth Proportional to 303,811.55, 419,247.16 and 174,740.27

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Solution

The fourth proportional to 303,811.55, 419,247.16 and 174,740.27 is: 241,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,811.55 : 419,247.16 = 174,740.27 : x
  2. Step 2: Convert to fraction form
    303,811.55/419,247.16 = 174,740.27/x
  3. Step 3: Cross multiply
    303,811.55x = 419,247.16 × 174,740.27
  4. Step 4: Simplify right side
    303,811.55x = 73,259,362,546.40
  5. Step 5: Solve for x
    x = 73,259,362,546.40/303,811.55
  6. Step 6: Final answer
    x = 241,134.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.