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Finding the Fourth Proportional to 437,687.94, 604,507.56 and 294,198.84

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Solution

The fourth proportional to 437,687.94, 604,507.56 and 294,198.84 is: 406,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,687.94 : 604,507.56 = 294,198.84 : x
  2. Step 2: Convert to fraction form
    437,687.94/604,507.56 = 294,198.84/x
  3. Step 3: Cross multiply
    437,687.94x = 604,507.56 × 294,198.84
  4. Step 4: Simplify right side
    437,687.94x = 177,845,422,923.23
  5. Step 5: Solve for x
    x = 177,845,422,923.23/437,687.94
  6. Step 6: Final answer
    x = 406,329.27

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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.