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Finding the Fourth Proportional to 504,513.18, 695,504.76 and 396,896.34

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Solution

The fourth proportional to 504,513.18, 695,504.76 and 396,896.34 is: 547,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,513.18 : 695,504.76 = 396,896.34 : x
  2. Step 2: Convert to fraction form
    504,513.18/695,504.76 = 396,896.34/x
  3. Step 3: Cross multiply
    504,513.18x = 695,504.76 × 396,896.34
  4. Step 4: Simplify right side
    504,513.18x = 276,043,293,696.58
  5. Step 5: Solve for x
    x = 276,043,293,696.58/504,513.18
  6. Step 6: Final answer
    x = 547,147.83

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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.