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Finding the Fourth Proportional to 303,723.09, 419,154.21 and 174,660.03

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Solution

The fourth proportional to 303,723.09, 419,154.21 and 174,660.03 is: 241,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,723.09 : 419,154.21 = 174,660.03 : x
  2. Step 2: Convert to fraction form
    303,723.09/419,154.21 = 174,660.03/x
  3. Step 3: Cross multiply
    303,723.09x = 419,154.21 × 174,660.03
  4. Step 4: Simplify right side
    303,723.09x = 73,209,486,893.23
  5. Step 5: Solve for x
    x = 73,209,486,893.23/303,723.09
  6. Step 6: Final answer
    x = 241,040.24

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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.