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Finding the Fourth Proportional to 484,896.52, 668,504.96 and 339,506.73

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Solution

The fourth proportional to 484,896.52, 668,504.96 and 339,506.73 is: 468,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,896.52 : 668,504.96 = 339,506.73 : x
  2. Step 2: Convert to fraction form
    484,896.52/668,504.96 = 339,506.73/x
  3. Step 3: Cross multiply
    484,896.52x = 668,504.96 × 339,506.73
  4. Step 4: Simplify right side
    484,896.52x = 226,961,932,534.00
  5. Step 5: Solve for x
    x = 226,961,932,534.00/484,896.52
  6. Step 6: Final answer
    x = 468,062.61

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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.