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Finding the Fourth Proportional to 303,849.65, 418,102.37 and 294,604.79

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Solution

The fourth proportional to 303,849.65, 418,102.37 and 294,604.79 is: 405,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,849.65 : 418,102.37 = 294,604.79 : x
  2. Step 2: Convert to fraction form
    303,849.65/418,102.37 = 294,604.79/x
  3. Step 3: Cross multiply
    303,849.65x = 418,102.37 × 294,604.79
  4. Step 4: Simplify right side
    303,849.65x = 123,174,957,348.82
  5. Step 5: Solve for x
    x = 123,174,957,348.82/303,849.65
  6. Step 6: Final answer
    x = 405,381.28

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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.