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Finding the Fourth Proportional to 481,671.63, 722,269.31 and 282,042.27

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Solution

The fourth proportional to 481,671.63, 722,269.31 and 282,042.27 is: 422,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,671.63 : 722,269.31 = 282,042.27 : x
  2. Step 2: Convert to fraction form
    481,671.63/722,269.31 = 282,042.27/x
  3. Step 3: Cross multiply
    481,671.63x = 722,269.31 × 282,042.27
  4. Step 4: Simplify right side
    481,671.63x = 203,710,474,333.52
  5. Step 5: Solve for x
    x = 203,710,474,333.52/481,671.63
  6. Step 6: Final answer
    x = 422,923.96

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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.