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Finding the Fourth Proportional to 404,659.93, 558,427.56 and 223,371.92

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Solution

The fourth proportional to 404,659.93, 558,427.56 and 223,371.92 is: 308,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,659.93 : 558,427.56 = 223,371.92 : x
  2. Step 2: Convert to fraction form
    404,659.93/558,427.56 = 223,371.92/x
  3. Step 3: Cross multiply
    404,659.93x = 558,427.56 × 223,371.92
  4. Step 4: Simplify right side
    404,659.93x = 124,737,036,258.12
  5. Step 5: Solve for x
    x = 124,737,036,258.12/404,659.93
  6. Step 6: Final answer
    x = 308,251.51

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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.