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Finding the Fourth Proportional to 397,302.30, 594,969.30 and 254,928.60

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Solution

The fourth proportional to 397,302.30, 594,969.30 and 254,928.60 is: 381,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,302.30 : 594,969.30 = 254,928.60 : x
  2. Step 2: Convert to fraction form
    397,302.30/594,969.30 = 254,928.60/x
  3. Step 3: Cross multiply
    397,302.30x = 594,969.30 × 254,928.60
  4. Step 4: Simplify right side
    397,302.30x = 151,674,690,691.98
  5. Step 5: Solve for x
    x = 151,674,690,691.98/397,302.30
  6. Step 6: Final answer
    x = 381,761.42

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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.