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Finding the Fourth Proportional to 293,208.81, 404,419.51 and 269,087.68

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Solution

The fourth proportional to 293,208.81, 404,419.51 and 269,087.68 is: 371,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,208.81 : 404,419.51 = 269,087.68 : x
  2. Step 2: Convert to fraction form
    293,208.81/404,419.51 = 269,087.68/x
  3. Step 3: Cross multiply
    293,208.81x = 404,419.51 × 269,087.68
  4. Step 4: Simplify right side
    293,208.81x = 108,824,307,692.64
  5. Step 5: Solve for x
    x = 108,824,307,692.64/293,208.81
  6. Step 6: Final answer
    x = 371,149.52

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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.