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Finding the Fourth Proportional to 404,474.74, 558,174.47 and 223,186.52

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Solution

The fourth proportional to 404,474.74, 558,174.47 and 223,186.52 is: 307,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,474.74 : 558,174.47 = 223,186.52 : x
  2. Step 2: Convert to fraction form
    404,474.74/558,174.47 = 223,186.52/x
  3. Step 3: Cross multiply
    404,474.74x = 558,174.47 × 223,186.52
  4. Step 4: Simplify right side
    404,474.74x = 124,577,019,465.55
  5. Step 5: Solve for x
    x = 124,577,019,465.55/404,474.74
  6. Step 6: Final answer
    x = 307,997.03

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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.