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Finding the Fourth Proportional to 404,662.42, 558,465.06 and 223,409.26

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Solution

The fourth proportional to 404,662.42, 558,465.06 and 223,409.26 is: 308,321.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,662.42 : 558,465.06 = 223,409.26 : x
  2. Step 2: Convert to fraction form
    404,662.42/558,465.06 = 223,409.26/x
  3. Step 3: Cross multiply
    404,662.42x = 558,465.06 × 223,409.26
  4. Step 4: Simplify right side
    404,662.42x = 124,766,265,790.46
  5. Step 5: Solve for x
    x = 124,766,265,790.46/404,662.42
  6. Step 6: Final answer
    x = 308,321.85

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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.