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Finding the Fourth Proportional to 501,291.27, 692,033.94 and 326,940.39

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Solution

The fourth proportional to 501,291.27, 692,033.94 and 326,940.39 is: 451,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,291.27 : 692,033.94 = 326,940.39 : x
  2. Step 2: Convert to fraction form
    501,291.27/692,033.94 = 326,940.39/x
  3. Step 3: Cross multiply
    501,291.27x = 692,033.94 × 326,940.39
  4. Step 4: Simplify right side
    501,291.27x = 226,253,846,236.84
  5. Step 5: Solve for x
    x = 226,253,846,236.84/501,291.27
  6. Step 6: Final answer
    x = 451,342.08

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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.