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Finding the Fourth Proportional to 404,662.83, 558,436.64 and 223,371.46

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Solution

The fourth proportional to 404,662.83, 558,436.64 and 223,371.46 is: 308,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,662.83 : 558,436.64 = 223,371.46 : x
  2. Step 2: Convert to fraction form
    404,662.83/558,436.64 = 223,371.46/x
  3. Step 3: Cross multiply
    404,662.83x = 558,436.64 × 223,371.46
  4. Step 4: Simplify right side
    404,662.83x = 124,738,807,594.29
  5. Step 5: Solve for x
    x = 124,738,807,594.29/404,662.83
  6. Step 6: Final answer
    x = 308,253.68

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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.