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Finding the Fourth Proportional to 294,196.36, 404,716.98 and 257,733.61

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Solution

The fourth proportional to 294,196.36, 404,716.98 and 257,733.61 is: 354,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,196.36 : 404,716.98 = 257,733.61 : x
  2. Step 2: Convert to fraction form
    294,196.36/404,716.98 = 257,733.61/x
  3. Step 3: Cross multiply
    294,196.36x = 404,716.98 × 257,733.61
  4. Step 4: Simplify right side
    294,196.36x = 104,309,168,283.70
  5. Step 5: Solve for x
    x = 104,309,168,283.70/294,196.36
  6. Step 6: Final answer
    x = 354,556.28

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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.