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Finding the Fourth Proportional to 496,732.02, 685,471.14 and 281,859.27

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Solution

The fourth proportional to 496,732.02, 685,471.14 and 281,859.27 is: 388,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,732.02 : 685,471.14 = 281,859.27 : x
  2. Step 2: Convert to fraction form
    496,732.02/685,471.14 = 281,859.27/x
  3. Step 3: Cross multiply
    496,732.02x = 685,471.14 × 281,859.27
  4. Step 4: Simplify right side
    496,732.02x = 193,206,395,126.47
  5. Step 5: Solve for x
    x = 193,206,395,126.47/496,732.02
  6. Step 6: Final answer
    x = 388,954.98

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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.