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Finding the Fourth Proportional to 433,776.63, 598,605.89 and 242,789.97

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Solution

The fourth proportional to 433,776.63, 598,605.89 and 242,789.97 is: 335,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,776.63 : 598,605.89 = 242,789.97 : x
  2. Step 2: Convert to fraction form
    433,776.63/598,605.89 = 242,789.97/x
  3. Step 3: Cross multiply
    433,776.63x = 598,605.89 × 242,789.97
  4. Step 4: Simplify right side
    433,776.63x = 145,335,504,860.97
  5. Step 5: Solve for x
    x = 145,335,504,860.97/433,776.63
  6. Step 6: Final answer
    x = 335,046.88

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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.