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Finding the Fourth Proportional to 483,553.39, 667,290.42 and 268,687.93

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Solution

The fourth proportional to 483,553.39, 667,290.42 and 268,687.93 is: 370,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,553.39 : 667,290.42 = 268,687.93 : x
  2. Step 2: Convert to fraction form
    483,553.39/667,290.42 = 268,687.93/x
  3. Step 3: Cross multiply
    483,553.39x = 667,290.42 × 268,687.93
  4. Step 4: Simplify right side
    483,553.39x = 179,292,881,658.63
  5. Step 5: Solve for x
    x = 179,292,881,658.63/483,553.39
  6. Step 6: Final answer
    x = 370,781.98

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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.