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Finding the Fourth Proportional to 481,999.52, 722,497.79 and 161,913.85

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Solution

The fourth proportional to 481,999.52, 722,497.79 and 161,913.85 is: 242,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,999.52 : 722,497.79 = 161,913.85 : x
  2. Step 2: Convert to fraction form
    481,999.52/722,497.79 = 161,913.85/x
  3. Step 3: Cross multiply
    481,999.52x = 722,497.79 × 161,913.85
  4. Step 4: Simplify right side
    481,999.52x = 116,982,397,393.93
  5. Step 5: Solve for x
    x = 116,982,397,393.93/481,999.52
  6. Step 6: Final answer
    x = 242,702.31

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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.