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Finding the Fourth Proportional to 404,712.26, 558,499.78 and 223,424.44

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Solution

The fourth proportional to 404,712.26, 558,499.78 and 223,424.44 is: 308,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,712.26 : 558,499.78 = 223,424.44 : x
  2. Step 2: Convert to fraction form
    404,712.26/558,499.78 = 223,424.44/x
  3. Step 3: Cross multiply
    404,712.26x = 558,499.78 × 223,424.44
  4. Step 4: Simplify right side
    404,712.26x = 124,782,500,586.62
  5. Step 5: Solve for x
    x = 124,782,500,586.62/404,712.26
  6. Step 6: Final answer
    x = 308,323.99

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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.