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Finding the Fourth Proportional to 404,700.52, 558,491.24 and 223,412.54

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Solution

The fourth proportional to 404,700.52, 558,491.24 and 223,412.54 is: 308,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,700.52 : 558,491.24 = 223,412.54 : x
  2. Step 2: Convert to fraction form
    404,700.52/558,491.24 = 223,412.54/x
  3. Step 3: Cross multiply
    404,700.52x = 558,491.24 × 223,412.54
  4. Step 4: Simplify right side
    404,700.52x = 124,773,945,379.09
  5. Step 5: Solve for x
    x = 124,773,945,379.09/404,700.52
  6. Step 6: Final answer
    x = 308,311.80

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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.