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Finding the Fourth Proportional to 481,704.98, 723,665.09 and 339,877.11

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Solution

The fourth proportional to 481,704.98, 723,665.09 and 339,877.11 is: 510,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,704.98 : 723,665.09 = 339,877.11 : x
  2. Step 2: Convert to fraction form
    481,704.98/723,665.09 = 339,877.11/x
  3. Step 3: Cross multiply
    481,704.98x = 723,665.09 × 339,877.11
  4. Step 4: Simplify right side
    481,704.98x = 245,957,201,048.72
  5. Step 5: Solve for x
    x = 245,957,201,048.72/481,704.98
  6. Step 6: Final answer
    x = 510,597.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.