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Finding the Fourth Proportional to 404,782.44, 558,608.48 and 223,505.84

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Solution

The fourth proportional to 404,782.44, 558,608.48 and 223,505.84 is: 308,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,782.44 : 558,608.48 = 223,505.84 : x
  2. Step 2: Convert to fraction form
    404,782.44/558,608.48 = 223,505.84/x
  3. Step 3: Cross multiply
    404,782.44x = 558,608.48 × 223,505.84
  4. Step 4: Simplify right side
    404,782.44x = 124,852,253,642.95
  5. Step 5: Solve for x
    x = 124,852,253,642.95/404,782.44
  6. Step 6: Final answer
    x = 308,442.86

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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.