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Finding the Fourth Proportional to 339,277.05, 467,806.77 and 253,086.41

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Solution

The fourth proportional to 339,277.05, 467,806.77 and 253,086.41 is: 348,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,277.05 : 467,806.77 = 253,086.41 : x
  2. Step 2: Convert to fraction form
    339,277.05/467,806.77 = 253,086.41/x
  3. Step 3: Cross multiply
    339,277.05x = 467,806.77 × 253,086.41
  4. Step 4: Simplify right side
    339,277.05x = 118,395,535,993.00
  5. Step 5: Solve for x
    x = 118,395,535,993.00/339,277.05
  6. Step 6: Final answer
    x = 348,964.18

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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.