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Finding the Fourth Proportional to 404,474.56, 558,174.22 and 223,186.34

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Solution

The fourth proportional to 404,474.56, 558,174.22 and 223,186.34 is: 307,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,474.56 : 558,174.22 = 223,186.34 : x
  2. Step 2: Convert to fraction form
    404,474.56/558,174.22 = 223,186.34/x
  3. Step 3: Cross multiply
    404,474.56x = 558,174.22 × 223,186.34
  4. Step 4: Simplify right side
    404,474.56x = 124,576,862,081.63
  5. Step 5: Solve for x
    x = 124,576,862,081.63/404,474.56
  6. Step 6: Final answer
    x = 307,996.78

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1.5x scale

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.