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Finding the Fourth Proportional to 303,634.40, 419,052.40 and 176,310.02

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Solution

The fourth proportional to 303,634.40, 419,052.40 and 176,310.02 is: 243,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,634.40 : 419,052.40 = 176,310.02 : x
  2. Step 2: Convert to fraction form
    303,634.40/419,052.40 = 176,310.02/x
  3. Step 3: Cross multiply
    303,634.40x = 419,052.40 × 176,310.02
  4. Step 4: Simplify right side
    303,634.40x = 73,883,137,025.05
  5. Step 5: Solve for x
    x = 73,883,137,025.05/303,634.40
  6. Step 6: Final answer
    x = 243,329.27

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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.