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Finding the Fourth Proportional to 404,474.55, 558,174.22 and 223,186.33

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Solution

The fourth proportional to 404,474.55, 558,174.22 and 223,186.33 is: 307,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,474.55 : 558,174.22 = 223,186.33 : x
  2. Step 2: Convert to fraction form
    404,474.55/558,174.22 = 223,186.33/x
  3. Step 3: Cross multiply
    404,474.55x = 558,174.22 × 223,186.33
  4. Step 4: Simplify right side
    404,474.55x = 124,576,855,802.17
  5. Step 5: Solve for x
    x = 124,576,855,802.17/404,474.55
  6. Step 6: Final answer
    x = 307,996.77

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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.