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Finding the Fourth Proportional to 404,753.93, 558,561.21 and 223,466.21

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Solution

The fourth proportional to 404,753.93, 558,561.21 and 223,466.21 is: 308,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,753.93 : 558,561.21 = 223,466.21 : x
  2. Step 2: Convert to fraction form
    404,753.93/558,561.21 = 223,466.21/x
  3. Step 3: Cross multiply
    404,753.93x = 558,561.21 × 223,466.21
  4. Step 4: Simplify right side
    404,753.93x = 124,819,556,651.71
  5. Step 5: Solve for x
    x = 124,819,556,651.71/404,753.93
  6. Step 6: Final answer
    x = 308,383.80

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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.