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Finding the Fourth Proportional to 366,342.39, 505,725.65 and 245,562.58

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Solution

The fourth proportional to 366,342.39, 505,725.65 and 245,562.58 is: 338,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,342.39 : 505,725.65 = 245,562.58 : x
  2. Step 2: Convert to fraction form
    366,342.39/505,725.65 = 245,562.58/x
  3. Step 3: Cross multiply
    366,342.39x = 505,725.65 × 245,562.58
  4. Step 4: Simplify right side
    366,342.39x = 124,187,294,735.77
  5. Step 5: Solve for x
    x = 124,187,294,735.77/366,342.39
  6. Step 6: Final answer
    x = 338,992.42

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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.